51465700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:158

約数の個数: 144

約数和(自身を含む): 135616320

約数和(自身を除く): 84150620

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 44, 50, 52, 55, 59, 61, 65, 100, 110, 118, 122, 130, 143, 220, 236, 244, 260, 275, 286, 295, 305, 325, 550, 572, 590, 610, 649, 650, 671, 715, 767, 793, 1100, 1180, 1220, 1298, 1300, 1342, 1430, 1475, 1525, 1534, 1586, 2596, 2684, 2860, 2950, 3050, 3068, 3172, 3245, 3355, 3575, 3599, 3835, 3965, 5900, 6100, 6490, 6710, 7150, 7198, 7670, 7930, 8437, 8723, 12980, 13420, 14300, 14396, 15340, 15860, 16225, 16775, 16874, 17446, 17995, 19175, 19825, 32450, 33550, 33748, 34892, 35990, 38350, 39589, 39650, 42185, 43615, 46787, 64900, 67100, 71980, 76700, 79178, 79300, 84370, 87230, 89975, 93574, 158356, 168740, 174460, 179950, 187148, 197945, 210925, 218075, 233935, 359900, 395890, 421850, 436150, 467870, 514657, 791780, 843700, 872300, 935740, 989725, 1029314, 1169675, 1979450, 2058628, 2339350, 2573285, 3958900, 4678700, 5146570, 10293140, 12866425, 25732850, 51465700]

約数ペア:

[(1, 51465700), (2, 25732850), (4, 12866425), (5, 10293140), (10, 5146570), (11, 4678700), (13, 3958900), (20, 2573285), (22, 2339350), (25, 2058628), (26, 1979450), (44, 1169675), (50, 1029314), (52, 989725), (55, 935740), (59, 872300), (61, 843700), (65, 791780), (100, 514657), (110, 467870), (118, 436150), (122, 421850), (130, 395890), (143, 359900), (220, 233935), (236, 218075), (244, 210925), (260, 197945), (275, 187148), (286, 179950), (295, 174460), (305, 168740), (325, 158356), (550, 93574), (572, 89975), (590, 87230), (610, 84370), (649, 79300), (650, 79178), (671, 76700), (715, 71980), (767, 67100), (793, 64900), (1100, 46787), (1180, 43615), (1220, 42185), (1298, 39650), (1300, 39589), (1342, 38350), (1430, 35990), (1475, 34892), (1525, 33748), (1534, 33550), (1586, 32450), (2596, 19825), (2684, 19175), (2860, 17995), (2950, 17446), (3050, 16874), (3068, 16775), (3172, 16225), (3245, 15860), (3355, 15340), (3575, 14396), (3599, 14300), (3835, 13420), (3965, 12980), (5900, 8723), (6100, 8437), (6490, 7930), (6710, 7670), (7150, 7198)]