217295400

素因数分解:

$2^3\times 3^1\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{389}}^1$

素因数の和:441

約数の個数: 288

約数和(自身を含む): 826956000

約数和(自身を除く): 609660600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 25, 28, 30, 35, 38, 40, 42, 49, 50, 56, 57, 60, 70, 75, 76, 84, 95, 98, 100, 105, 114, 120, 133, 140, 147, 150, 152, 168, 175, 190, 196, 200, 210, 228, 245, 266, 280, 285, 294, 300, 350, 380, 389, 392, 399, 420, 456, 475, 490, 525, 532, 570, 588, 600, 665, 700, 735, 760, 778, 798, 840, 931, 950, 980, 1050, 1064, 1140, 1167, 1176, 1225, 1330, 1400, 1425, 1470, 1556, 1596, 1862, 1900, 1945, 1960, 1995, 2100, 2280, 2334, 2450, 2660, 2723, 2793, 2850, 2940, 3112, 3192, 3325, 3675, 3724, 3800, 3890, 3990, 4200, 4655, 4668, 4900, 5320, 5446, 5586, 5700, 5835, 5880, 6650, 7350, 7391, 7448, 7780, 7980, 8169, 9310, 9336, 9725, 9800, 9975, 10892, 11172, 11400, 11670, 13300, 13615, 13965, 14700, 14782, 15560, 15960, 16338, 18620, 19061, 19450, 19950, 21784, 22173, 22344, 23275, 23340, 26600, 27230, 27930, 29175, 29400, 29564, 32676, 36955, 37240, 38122, 38900, 39900, 40845, 44346, 46550, 46680, 51737, 54460, 55860, 57183, 58350, 59128, 65352, 68075, 69825, 73910, 76244, 77800, 79800, 81690, 88692, 93100, 95305, 103474, 108920, 110865, 111720, 114366, 116700, 136150, 139650, 147820, 152488, 155211, 163380, 177384, 184775, 186200, 190610, 204225, 206948, 221730, 228732, 233400, 258685, 272300, 279300, 285915, 295640, 310422, 326760, 362159, 369550, 381220, 408450, 413896, 443460, 457464, 476525, 517370, 544600, 554325, 558600, 571830, 620844, 724318, 739100, 762440, 776055, 816900, 886920, 953050, 1034740, 1086477, 1108650, 1143660, 1241688, 1293425, 1429575, 1448636, 1478200, 1552110, 1633800, 1810795, 1906100, 2069480, 2172954, 2217300, 2287320, 2586850, 2859150, 2897272, 3104220, 3621590, 3812200, 3880275, 4345908, 4434600, 5173700, 5432385, 5718300, 6208440, 7243180, 7760550, 8691816, 9053975, 10347400, 10864770, 11436600, 14486360, 15521100, 18107950, 21729540, 27161925, 31042200, 36215900, 43459080, 54323850, 72431800, 108647700, 217295400]

約数ペア:

[(1, 217295400), (2, 108647700), (3, 72431800), (4, 54323850), (5, 43459080), (6, 36215900), (7, 31042200), (8, 27161925), (10, 21729540), (12, 18107950), (14, 15521100), (15, 14486360), (19, 11436600), (20, 10864770), (21, 10347400), (24, 9053975), (25, 8691816), (28, 7760550), (30, 7243180), (35, 6208440), (38, 5718300), (40, 5432385), (42, 5173700), (49, 4434600), (50, 4345908), (56, 3880275), (57, 3812200), (60, 3621590), (70, 3104220), (75, 2897272), (76, 2859150), (84, 2586850), (95, 2287320), (98, 2217300), (100, 2172954), (105, 2069480), (114, 1906100), (120, 1810795), (133, 1633800), (140, 1552110), (147, 1478200), (150, 1448636), (152, 1429575), (168, 1293425), (175, 1241688), (190, 1143660), (196, 1108650), (200, 1086477), (210, 1034740), (228, 953050), (245, 886920), (266, 816900), (280, 776055), (285, 762440), (294, 739100), (300, 724318), (350, 620844), (380, 571830), (389, 558600), (392, 554325), (399, 544600), (420, 517370), (456, 476525), (475, 457464), (490, 443460), (525, 413896), (532, 408450), (570, 381220), (588, 369550), (600, 362159), (665, 326760), (700, 310422), (735, 295640), (760, 285915), (778, 279300), (798, 272300), (840, 258685), (931, 233400), (950, 228732), (980, 221730), (1050, 206948), (1064, 204225), (1140, 190610), (1167, 186200), (1176, 184775), (1225, 177384), (1330, 163380), (1400, 155211), (1425, 152488), (1470, 147820), (1556, 139650), (1596, 136150), (1862, 116700), (1900, 114366), (1945, 111720), (1960, 110865), (1995, 108920), (2100, 103474), (2280, 95305), (2334, 93100), (2450, 88692), (2660, 81690), (2723, 79800), (2793, 77800), (2850, 76244), (2940, 73910), (3112, 69825), (3192, 68075), (3325, 65352), (3675, 59128), (3724, 58350), (3800, 57183), (3890, 55860), (3990, 54460), (4200, 51737), (4655, 46680), (4668, 46550), (4900, 44346), (5320, 40845), (5446, 39900), (5586, 38900), (5700, 38122), (5835, 37240), (5880, 36955), (6650, 32676), (7350, 29564), (7391, 29400), (7448, 29175), (7780, 27930), (7980, 27230), (8169, 26600), (9310, 23340), (9336, 23275), (9725, 22344), (9800, 22173), (9975, 21784), (10892, 19950), (11172, 19450), (11400, 19061), (11670, 18620), (13300, 16338), (13615, 15960), (13965, 15560), (14700, 14782)]