28750800

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:150

約数の個数: 240

約数和(自身を含む): 105479360

約数和(自身を除く): 76728560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 25, 26, 30, 38, 39, 40, 48, 50, 52, 57, 60, 65, 75, 76, 78, 80, 95, 97, 100, 104, 114, 120, 130, 150, 152, 156, 190, 194, 195, 200, 208, 228, 240, 247, 260, 285, 291, 300, 304, 312, 325, 380, 388, 390, 400, 456, 475, 485, 494, 520, 570, 582, 600, 624, 650, 741, 760, 776, 780, 912, 950, 970, 975, 988, 1040, 1140, 1164, 1200, 1235, 1261, 1300, 1425, 1455, 1482, 1520, 1552, 1560, 1843, 1900, 1940, 1950, 1976, 2280, 2328, 2425, 2470, 2522, 2600, 2850, 2910, 2964, 3120, 3686, 3705, 3783, 3800, 3880, 3900, 3952, 4560, 4656, 4850, 4940, 5044, 5200, 5529, 5700, 5820, 5928, 6175, 6305, 7275, 7372, 7410, 7566, 7600, 7760, 7800, 9215, 9700, 9880, 10088, 11058, 11400, 11640, 11856, 12350, 12610, 14550, 14744, 14820, 15132, 15600, 18430, 18525, 18915, 19400, 19760, 20176, 22116, 22800, 23280, 23959, 24700, 25220, 27645, 29100, 29488, 29640, 30264, 31525, 36860, 37050, 37830, 38800, 44232, 46075, 47918, 49400, 50440, 55290, 58200, 59280, 60528, 63050, 71877, 73720, 74100, 75660, 88464, 92150, 94575, 95836, 98800, 100880, 110580, 116400, 119795, 126100, 138225, 143754, 147440, 148200, 151320, 184300, 189150, 191672, 221160, 239590, 252200, 276450, 287508, 296400, 302640, 359385, 368600, 378300, 383344, 442320, 479180, 504400, 552900, 575016, 598975, 718770, 737200, 756600, 958360, 1105800, 1150032, 1197950, 1437540, 1513200, 1796925, 1916720, 2211600, 2395900, 2875080, 3593850, 4791800, 5750160, 7187700, 9583600, 14375400, 28750800]

約数ペア:

[(1, 28750800), (2, 14375400), (3, 9583600), (4, 7187700), (5, 5750160), (6, 4791800), (8, 3593850), (10, 2875080), (12, 2395900), (13, 2211600), (15, 1916720), (16, 1796925), (19, 1513200), (20, 1437540), (24, 1197950), (25, 1150032), (26, 1105800), (30, 958360), (38, 756600), (39, 737200), (40, 718770), (48, 598975), (50, 575016), (52, 552900), (57, 504400), (60, 479180), (65, 442320), (75, 383344), (76, 378300), (78, 368600), (80, 359385), (95, 302640), (97, 296400), (100, 287508), (104, 276450), (114, 252200), (120, 239590), (130, 221160), (150, 191672), (152, 189150), (156, 184300), (190, 151320), (194, 148200), (195, 147440), (200, 143754), (208, 138225), (228, 126100), (240, 119795), (247, 116400), (260, 110580), (285, 100880), (291, 98800), (300, 95836), (304, 94575), (312, 92150), (325, 88464), (380, 75660), (388, 74100), (390, 73720), (400, 71877), (456, 63050), (475, 60528), (485, 59280), (494, 58200), (520, 55290), (570, 50440), (582, 49400), (600, 47918), (624, 46075), (650, 44232), (741, 38800), (760, 37830), (776, 37050), (780, 36860), (912, 31525), (950, 30264), (970, 29640), (975, 29488), (988, 29100), (1040, 27645), (1140, 25220), (1164, 24700), (1200, 23959), (1235, 23280), (1261, 22800), (1300, 22116), (1425, 20176), (1455, 19760), (1482, 19400), (1520, 18915), (1552, 18525), (1560, 18430), (1843, 15600), (1900, 15132), (1940, 14820), (1950, 14744), (1976, 14550), (2280, 12610), (2328, 12350), (2425, 11856), (2470, 11640), (2522, 11400), (2600, 11058), (2850, 10088), (2910, 9880), (2964, 9700), (3120, 9215), (3686, 7800), (3705, 7760), (3783, 7600), (3800, 7566), (3880, 7410), (3900, 7372), (3952, 7275), (4560, 6305), (4656, 6175), (4850, 5928), (4940, 5820), (5044, 5700), (5200, 5529)]