77892490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:391

約数の個数: 64

約数和(自身を含む): 159667200

約数和(自身を除く): 81774710

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 109, 115, 130, 218, 230, 239, 299, 478, 545, 598, 1090, 1195, 1417, 1495, 2390, 2507, 2834, 2990, 3107, 5014, 5497, 6214, 7085, 10994, 12535, 14170, 15535, 25070, 26051, 27485, 31070, 32591, 52102, 54970, 65182, 71461, 130255, 142922, 162955, 260510, 325910, 338663, 357305, 599173, 677326, 714610, 1198346, 1693315, 2995865, 3386630, 5991730, 7789249, 15578498, 38946245, 77892490]

約数ペア:

[(1, 77892490), (2, 38946245), (5, 15578498), (10, 7789249), (13, 5991730), (23, 3386630), (26, 2995865), (46, 1693315), (65, 1198346), (109, 714610), (115, 677326), (130, 599173), (218, 357305), (230, 338663), (239, 325910), (299, 260510), (478, 162955), (545, 142922), (598, 130255), (1090, 71461), (1195, 65182), (1417, 54970), (1495, 52102), (2390, 32591), (2507, 31070), (2834, 27485), (2990, 26051), (3107, 25070), (5014, 15535), (5497, 14170), (6214, 12535), (7085, 10994)]