1305326800

素因数分解:

$2^4\times 5^2\times {\mathrm{61}}^2\times {\mathrm{877}}^1$

素因数の和:1017

約数の個数: 90

約数和(自身を含む): 3191936514

約数和(自身を除く): 1886609714

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 61, 80, 100, 122, 200, 244, 305, 400, 488, 610, 877, 976, 1220, 1525, 1754, 2440, 3050, 3508, 3721, 4385, 4880, 6100, 7016, 7442, 8770, 12200, 14032, 14884, 17540, 18605, 21925, 24400, 29768, 35080, 37210, 43850, 53497, 59536, 70160, 74420, 87700, 93025, 106994, 148840, 175400, 186050, 213988, 267485, 297680, 350800, 372100, 427976, 534970, 744200, 855952, 1069940, 1337425, 1488400, 2139880, 2674850, 3263317, 4279760, 5349700, 6526634, 10699400, 13053268, 16316585, 21398800, 26106536, 32633170, 52213072, 65266340, 81582925, 130532680, 163165850, 261065360, 326331700, 652663400, 1305326800]

約数ペア:

[(1, 1305326800), (2, 652663400), (4, 326331700), (5, 261065360), (8, 163165850), (10, 130532680), (16, 81582925), (20, 65266340), (25, 52213072), (40, 32633170), (50, 26106536), (61, 21398800), (80, 16316585), (100, 13053268), (122, 10699400), (200, 6526634), (244, 5349700), (305, 4279760), (400, 3263317), (488, 2674850), (610, 2139880), (877, 1488400), (976, 1337425), (1220, 1069940), (1525, 855952), (1754, 744200), (2440, 534970), (3050, 427976), (3508, 372100), (3721, 350800), (4385, 297680), (4880, 267485), (6100, 213988), (7016, 186050), (7442, 175400), (8770, 148840), (12200, 106994), (14032, 93025), (14884, 87700), (17540, 74420), (18605, 70160), (21925, 59536), (24400, 53497), (29768, 43850), (35080, 37210)]