138130100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{421}}^1$

素因数の和:645

約数の個数: 72

約数和(自身を含む): 319776408

約数和(自身を除く): 181646308

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 193, 340, 386, 421, 425, 772, 842, 850, 965, 1684, 1700, 1930, 2105, 3281, 3860, 4210, 4825, 6562, 7157, 8420, 9650, 10525, 13124, 14314, 16405, 19300, 21050, 28628, 32810, 35785, 42100, 65620, 71570, 81253, 82025, 143140, 162506, 164050, 178925, 325012, 328100, 357850, 406265, 715700, 812530, 1381301, 1625060, 2031325, 2762602, 4062650, 5525204, 6906505, 8125300, 13813010, 27626020, 34532525, 69065050, 138130100]

約数ペア:

[(1, 138130100), (2, 69065050), (4, 34532525), (5, 27626020), (10, 13813010), (17, 8125300), (20, 6906505), (25, 5525204), (34, 4062650), (50, 2762602), (68, 2031325), (85, 1625060), (100, 1381301), (170, 812530), (193, 715700), (340, 406265), (386, 357850), (421, 328100), (425, 325012), (772, 178925), (842, 164050), (850, 162506), (965, 143140), (1684, 82025), (1700, 81253), (1930, 71570), (2105, 65620), (3281, 42100), (3860, 35785), (4210, 32810), (4825, 28628), (6562, 21050), (7157, 19300), (8420, 16405), (9650, 14314), (10525, 13124)]