211678890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{306781}}^1$

素因数の和:306814

約数の個数: 32

約数和(自身を含む): 530119296

約数和(自身を除く): 318440406

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 306781, 613562, 920343, 1533905, 1840686, 3067810, 4601715, 7055963, 9203430, 14111926, 21167889, 35279815, 42335778, 70559630, 105839445, 211678890]

約数ペア:

[(1, 211678890), (2, 105839445), (3, 70559630), (5, 42335778), (6, 35279815), (10, 21167889), (15, 14111926), (23, 9203430), (30, 7055963), (46, 4601715), (69, 3067810), (115, 1840686), (138, 1533905), (230, 920343), (345, 613562), (690, 306781)]