153925820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{3257}}^1$

素因数の和:3422

約数の個数: 48

約数和(自身を含む): 344826720

約数和(自身を除く): 190900900

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 139, 170, 278, 340, 556, 695, 1390, 2363, 2780, 3257, 4726, 6514, 9452, 11815, 13028, 16285, 23630, 32570, 47260, 55369, 65140, 110738, 221476, 276845, 452723, 553690, 905446, 1107380, 1810892, 2263615, 4527230, 7696291, 9054460, 15392582, 30785164, 38481455, 76962910, 153925820]

約数ペア:

[(1, 153925820), (2, 76962910), (4, 38481455), (5, 30785164), (10, 15392582), (17, 9054460), (20, 7696291), (34, 4527230), (68, 2263615), (85, 1810892), (139, 1107380), (170, 905446), (278, 553690), (340, 452723), (556, 276845), (695, 221476), (1390, 110738), (2363, 65140), (2780, 55369), (3257, 47260), (4726, 32570), (6514, 23630), (9452, 16285), (11815, 13028)]