255354620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{44179}}^1$

素因数の和:44222

約数の個数: 36

約数和(自身を含む): 569656920

約数和(自身を除く): 314302300

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5780, 44179, 88358, 176716, 220895, 441790, 751043, 883580, 1502086, 3004172, 3755215, 7510430, 12767731, 15020860, 25535462, 51070924, 63838655, 127677310, 255354620]

約数ペア:

[(1, 255354620), (2, 127677310), (4, 63838655), (5, 51070924), (10, 25535462), (17, 15020860), (20, 12767731), (34, 7510430), (68, 3755215), (85, 3004172), (170, 1502086), (289, 883580), (340, 751043), (578, 441790), (1156, 220895), (1445, 176716), (2890, 88358), (5780, 44179)]