765426580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{42571}}^1$

素因数の和:42640

約数の個数: 48

約数和(自身を含む): 1716503040

約数和(自身を除く): 951076460

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 290, 310, 580, 620, 899, 1798, 3596, 4495, 8990, 17980, 42571, 85142, 170284, 212855, 425710, 851420, 1234559, 1319701, 2469118, 2639402, 4938236, 5278804, 6172795, 6598505, 12345590, 13197010, 24691180, 26394020, 38271329, 76542658, 153085316, 191356645, 382713290, 765426580]

約数ペア:

[(1, 765426580), (2, 382713290), (4, 191356645), (5, 153085316), (10, 76542658), (20, 38271329), (29, 26394020), (31, 24691180), (58, 13197010), (62, 12345590), (116, 6598505), (124, 6172795), (145, 5278804), (155, 4938236), (290, 2639402), (310, 2469118), (580, 1319701), (620, 1234559), (899, 851420), (1798, 425710), (3596, 212855), (4495, 170284), (8990, 85142), (17980, 42571)]