90772580

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{787}}^1$

素因数の和:948

約数の個数: 48

約数和(自身を含む): 195928320

約数和(自身を除く): 105155740

約数列:

[1, 2, 4, 5, 10, 20, 73, 79, 146, 158, 292, 316, 365, 395, 730, 787, 790, 1460, 1574, 1580, 3148, 3935, 5767, 7870, 11534, 15740, 23068, 28835, 57451, 57670, 62173, 114902, 115340, 124346, 229804, 248692, 287255, 310865, 574510, 621730, 1149020, 1243460, 4538629, 9077258, 18154516, 22693145, 45386290, 90772580]

約数ペア:

[(1, 90772580), (2, 45386290), (4, 22693145), (5, 18154516), (10, 9077258), (20, 4538629), (73, 1243460), (79, 1149020), (146, 621730), (158, 574510), (292, 310865), (316, 287255), (365, 248692), (395, 229804), (730, 124346), (787, 115340), (790, 114902), (1460, 62173), (1574, 57670), (1580, 57451), (3148, 28835), (3935, 23068), (5767, 15740), (7870, 11534)]