189513680

素因数分解:

$2^4\times 5^1\times {\mathrm{557}}^1\times {\mathrm{4253}}^1$

素因数の和:4823

約数の個数: 40

約数和(自身を含む): 441514152

約数和(自身を除く): 252000472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 557, 1114, 2228, 2785, 4253, 4456, 5570, 8506, 8912, 11140, 17012, 21265, 22280, 34024, 42530, 44560, 68048, 85060, 170120, 340240, 2368921, 4737842, 9475684, 11844605, 18951368, 23689210, 37902736, 47378420, 94756840, 189513680]

約数ペア:

[(1, 189513680), (2, 94756840), (4, 47378420), (5, 37902736), (8, 23689210), (10, 18951368), (16, 11844605), (20, 9475684), (40, 4737842), (80, 2368921), (557, 340240), (1114, 170120), (2228, 85060), (2785, 68048), (4253, 44560), (4456, 42530), (5570, 34024), (8506, 22280), (8912, 21265), (11140, 17012)]