740884990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{39983}}^1$

素因数の和:40116

約数の個数: 32

約数和(自身を含む): 1425029760

約数和(自身を除く): 684144770

約数列:

[1, 2, 5, 10, 17, 34, 85, 109, 170, 218, 545, 1090, 1853, 3706, 9265, 18530, 39983, 79966, 199915, 399830, 679711, 1359422, 3398555, 4358147, 6797110, 8716294, 21790735, 43581470, 74088499, 148176998, 370442495, 740884990]

約数ペア:

[(1, 740884990), (2, 370442495), (5, 148176998), (10, 74088499), (17, 43581470), (34, 21790735), (85, 8716294), (109, 6797110), (170, 4358147), (218, 3398555), (545, 1359422), (1090, 679711), (1853, 399830), (3706, 199915), (9265, 79966), (18530, 39983)]