47890700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1$

素因数の和:252

約数の個数: 144

約数和(自身を含む): 129929184

約数和(自身を除く): 82038484

約数列:

[1, 2, 4, 5, 10, 11, 13, 17, 20, 22, 25, 26, 34, 44, 50, 52, 55, 65, 68, 85, 100, 110, 130, 143, 170, 187, 197, 220, 221, 260, 275, 286, 325, 340, 374, 394, 425, 442, 550, 572, 650, 715, 748, 788, 850, 884, 935, 985, 1100, 1105, 1300, 1430, 1700, 1870, 1970, 2167, 2210, 2431, 2561, 2860, 3349, 3575, 3740, 3940, 4334, 4420, 4675, 4862, 4925, 5122, 5525, 6698, 7150, 8668, 9350, 9724, 9850, 10244, 10835, 11050, 12155, 12805, 13396, 14300, 16745, 18700, 19700, 21670, 22100, 24310, 25610, 28171, 33490, 36839, 43340, 43537, 48620, 51220, 54175, 56342, 60775, 64025, 66980, 73678, 83725, 87074, 108350, 112684, 121550, 128050, 140855, 147356, 167450, 174148, 184195, 216700, 217685, 243100, 256100, 281710, 334900, 368390, 435370, 478907, 563420, 704275, 736780, 870740, 920975, 957814, 1088425, 1408550, 1841950, 1915628, 2176850, 2394535, 2817100, 3683900, 4353700, 4789070, 9578140, 11972675, 23945350, 47890700]

約数ペア:

[(1, 47890700), (2, 23945350), (4, 11972675), (5, 9578140), (10, 4789070), (11, 4353700), (13, 3683900), (17, 2817100), (20, 2394535), (22, 2176850), (25, 1915628), (26, 1841950), (34, 1408550), (44, 1088425), (50, 957814), (52, 920975), (55, 870740), (65, 736780), (68, 704275), (85, 563420), (100, 478907), (110, 435370), (130, 368390), (143, 334900), (170, 281710), (187, 256100), (197, 243100), (220, 217685), (221, 216700), (260, 184195), (275, 174148), (286, 167450), (325, 147356), (340, 140855), (374, 128050), (394, 121550), (425, 112684), (442, 108350), (550, 87074), (572, 83725), (650, 73678), (715, 66980), (748, 64025), (788, 60775), (850, 56342), (884, 54175), (935, 51220), (985, 48620), (1100, 43537), (1105, 43340), (1300, 36839), (1430, 33490), (1700, 28171), (1870, 25610), (1970, 24310), (2167, 22100), (2210, 21670), (2431, 19700), (2561, 18700), (2860, 16745), (3349, 14300), (3575, 13396), (3740, 12805), (3940, 12155), (4334, 11050), (4420, 10835), (4675, 10244), (4862, 9850), (4925, 9724), (5122, 9350), (5525, 8668), (6698, 7150)]