20199965050

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{3389}}^1$

素因数の和:3568

約数の個数: 96

約数和(自身を含む): 40314205440

約数和(自身を除く): 20114240390

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 71, 73, 115, 142, 146, 230, 355, 365, 575, 710, 730, 1150, 1633, 1679, 1775, 1825, 3266, 3358, 3389, 3550, 3650, 5183, 6778, 8165, 8395, 10366, 16330, 16790, 16945, 25915, 33890, 40825, 41975, 51830, 77947, 81650, 83950, 84725, 119209, 129575, 155894, 169450, 238418, 240619, 247397, 259150, 389735, 481238, 494794, 596045, 779470, 1192090, 1203095, 1236985, 1948675, 2406190, 2473970, 2980225, 3897350, 5534237, 5690131, 5960450, 6015475, 6184925, 11068474, 11380262, 12030950, 12369850, 17565187, 27671185, 28450655, 35130374, 55342370, 56901310, 87825935, 138355925, 142253275, 175651870, 276711850, 284506550, 403999301, 439129675, 807998602, 878259350, 2019996505, 4039993010, 10099982525, 20199965050]

約数ペア:

[(1, 20199965050), (2, 10099982525), (5, 4039993010), (10, 2019996505), (23, 878259350), (25, 807998602), (46, 439129675), (50, 403999301), (71, 284506550), (73, 276711850), (115, 175651870), (142, 142253275), (146, 138355925), (230, 87825935), (355, 56901310), (365, 55342370), (575, 35130374), (710, 28450655), (730, 27671185), (1150, 17565187), (1633, 12369850), (1679, 12030950), (1775, 11380262), (1825, 11068474), (3266, 6184925), (3358, 6015475), (3389, 5960450), (3550, 5690131), (3650, 5534237), (5183, 3897350), (6778, 2980225), (8165, 2473970), (8395, 2406190), (10366, 1948675), (16330, 1236985), (16790, 1203095), (16945, 1192090), (25915, 779470), (33890, 596045), (40825, 494794), (41975, 481238), (51830, 389735), (77947, 259150), (81650, 247397), (83950, 240619), (84725, 238418), (119209, 169450), (129575, 155894)]