3449980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 7832160

約数和(自身を除く): 4382180

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 73, 85, 139, 146, 170, 278, 292, 340, 365, 556, 695, 730, 1241, 1390, 1460, 2363, 2482, 2780, 4726, 4964, 6205, 9452, 10147, 11815, 12410, 20294, 23630, 24820, 40588, 47260, 50735, 101470, 172499, 202940, 344998, 689996, 862495, 1724990, 3449980]

約数ペア:

[(1, 3449980), (2, 1724990), (4, 862495), (5, 689996), (10, 344998), (17, 202940), (20, 172499), (34, 101470), (68, 50735), (73, 47260), (85, 40588), (139, 24820), (146, 23630), (170, 20294), (278, 12410), (292, 11815), (340, 10147), (365, 9452), (556, 6205), (695, 4964), (730, 4726), (1241, 2780), (1390, 2482), (1460, 2363)]