407907940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{2309}}^1$

素因数の和:2413

約数の個数: 72

約数和(自身を含む): 954870840

約数和(自身を除く): 546962900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 121, 146, 220, 242, 292, 365, 484, 605, 730, 803, 1210, 1460, 1606, 2309, 2420, 3212, 4015, 4618, 8030, 8833, 9236, 11545, 16060, 17666, 23090, 25399, 35332, 44165, 46180, 50798, 88330, 101596, 126995, 168557, 176660, 253990, 279389, 337114, 507980, 558778, 674228, 842785, 1117556, 1396945, 1685570, 1854127, 2793890, 3371140, 3708254, 5587780, 7416508, 9270635, 18541270, 20395397, 37082540, 40790794, 81581588, 101976985, 203953970, 407907940]

約数ペア:

[(1, 407907940), (2, 203953970), (4, 101976985), (5, 81581588), (10, 40790794), (11, 37082540), (20, 20395397), (22, 18541270), (44, 9270635), (55, 7416508), (73, 5587780), (110, 3708254), (121, 3371140), (146, 2793890), (220, 1854127), (242, 1685570), (292, 1396945), (365, 1117556), (484, 842785), (605, 674228), (730, 558778), (803, 507980), (1210, 337114), (1460, 279389), (1606, 253990), (2309, 176660), (2420, 168557), (3212, 126995), (4015, 101596), (4618, 88330), (8030, 50798), (8833, 46180), (9236, 44165), (11545, 35332), (16060, 25399), (17666, 23090)]