256435310

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{3583}}^1$

素因数の和:4028

約数の個数: 32

約数和(自身を含む): 490033152

約数和(自身を除く): 233597842

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 421, 842, 2105, 3583, 4210, 7157, 7166, 14314, 17915, 35785, 35830, 60911, 71570, 121822, 304555, 609110, 1508443, 3016886, 7542215, 15084430, 25643531, 51287062, 128217655, 256435310]

約数ペア:

[(1, 256435310), (2, 128217655), (5, 51287062), (10, 25643531), (17, 15084430), (34, 7542215), (85, 3016886), (170, 1508443), (421, 609110), (842, 304555), (2105, 121822), (3583, 71570), (4210, 60911), (7157, 35830), (7166, 35785), (14314, 17915)]