176980360

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^2\times {\mathrm{229}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 402842700

約数和(自身を除く): 225862340

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 229, 278, 458, 556, 695, 916, 1112, 1145, 1390, 1832, 2290, 2780, 4580, 5560, 9160, 19321, 31831, 38642, 63662, 77284, 96605, 127324, 154568, 159155, 193210, 254648, 318310, 386420, 636620, 772840, 1273240, 4424509, 8849018, 17698036, 22122545, 35396072, 44245090, 88490180, 176980360]

約数ペア:

[(1, 176980360), (2, 88490180), (4, 44245090), (5, 35396072), (8, 22122545), (10, 17698036), (20, 8849018), (40, 4424509), (139, 1273240), (229, 772840), (278, 636620), (458, 386420), (556, 318310), (695, 254648), (916, 193210), (1112, 159155), (1145, 154568), (1390, 127324), (1832, 96605), (2290, 77284), (2780, 63662), (4580, 38642), (5560, 31831), (9160, 19321)]