2616980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 5987520

約数和(自身を除く): 3370540

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 179, 215, 340, 358, 430, 716, 731, 860, 895, 1462, 1790, 2924, 3043, 3580, 3655, 6086, 7310, 7697, 12172, 14620, 15215, 15394, 30430, 30788, 38485, 60860, 76970, 130849, 153940, 261698, 523396, 654245, 1308490, 2616980]

約数ペア:

[(1, 2616980), (2, 1308490), (4, 654245), (5, 523396), (10, 261698), (17, 153940), (20, 130849), (34, 76970), (43, 60860), (68, 38485), (85, 30788), (86, 30430), (170, 15394), (172, 15215), (179, 14620), (215, 12172), (340, 7697), (358, 7310), (430, 6086), (716, 3655), (731, 3580), (860, 3043), (895, 2924), (1462, 1790)]