72431800

素因数分解:

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

素因数の和:438

約数の個数: 144

約数和(自身を含む): 206739000

約数和(自身を除く): 134307200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 25, 28, 35, 38, 40, 49, 50, 56, 70, 76, 95, 98, 100, 133, 140, 152, 175, 190, 196, 200, 245, 266, 280, 350, 380, 389, 392, 475, 490, 532, 665, 700, 760, 778, 931, 950, 980, 1064, 1225, 1330, 1400, 1556, 1862, 1900, 1945, 1960, 2450, 2660, 2723, 3112, 3325, 3724, 3800, 3890, 4655, 4900, 5320, 5446, 6650, 7391, 7448, 7780, 9310, 9725, 9800, 10892, 13300, 13615, 14782, 15560, 18620, 19061, 19450, 21784, 23275, 26600, 27230, 29564, 36955, 37240, 38122, 38900, 46550, 51737, 54460, 59128, 68075, 73910, 76244, 77800, 93100, 95305, 103474, 108920, 136150, 147820, 152488, 184775, 186200, 190610, 206948, 258685, 272300, 295640, 362159, 369550, 381220, 413896, 476525, 517370, 544600, 724318, 739100, 762440, 953050, 1034740, 1293425, 1448636, 1478200, 1810795, 1906100, 2069480, 2586850, 2897272, 3621590, 3812200, 5173700, 7243180, 9053975, 10347400, 14486360, 18107950, 36215900, 72431800]

約数ペア:

[(1, 72431800), (2, 36215900), (4, 18107950), (5, 14486360), (7, 10347400), (8, 9053975), (10, 7243180), (14, 5173700), (19, 3812200), (20, 3621590), (25, 2897272), (28, 2586850), (35, 2069480), (38, 1906100), (40, 1810795), (49, 1478200), (50, 1448636), (56, 1293425), (70, 1034740), (76, 953050), (95, 762440), (98, 739100), (100, 724318), (133, 544600), (140, 517370), (152, 476525), (175, 413896), (190, 381220), (196, 369550), (200, 362159), (245, 295640), (266, 272300), (280, 258685), (350, 206948), (380, 190610), (389, 186200), (392, 184775), (475, 152488), (490, 147820), (532, 136150), (665, 108920), (700, 103474), (760, 95305), (778, 93100), (931, 77800), (950, 76244), (980, 73910), (1064, 68075), (1225, 59128), (1330, 54460), (1400, 51737), (1556, 46550), (1862, 38900), (1900, 38122), (1945, 37240), (1960, 36955), (2450, 29564), (2660, 27230), (2723, 26600), (3112, 23275), (3325, 21784), (3724, 19450), (3800, 19061), (3890, 18620), (4655, 15560), (4900, 14782), (5320, 13615), (5446, 13300), (6650, 10892), (7391, 9800), (7448, 9725), (7780, 9310)]