180867460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{11069}}^1$

素因数の和:11140

約数の個数: 48

約数和(自身を含む): 409147200

約数和(自身を除く): 228279740

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 817, 860, 1634, 3268, 4085, 8170, 11069, 16340, 22138, 44276, 55345, 110690, 210311, 221380, 420622, 475967, 841244, 951934, 1051555, 1903868, 2103110, 2379835, 4206220, 4759670, 9043373, 9519340, 18086746, 36173492, 45216865, 90433730, 180867460]

約数ペア:

[(1, 180867460), (2, 90433730), (4, 45216865), (5, 36173492), (10, 18086746), (19, 9519340), (20, 9043373), (38, 4759670), (43, 4206220), (76, 2379835), (86, 2103110), (95, 1903868), (172, 1051555), (190, 951934), (215, 841244), (380, 475967), (430, 420622), (817, 221380), (860, 210311), (1634, 110690), (3268, 55345), (4085, 44276), (8170, 22138), (11069, 16340)]