220130620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{3617}}^1$

素因数の和:3822

約数の個数: 48

約数和(自身を含む): 492337440

約数和(自身を除く): 272206820

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 179, 340, 358, 716, 895, 1790, 3043, 3580, 3617, 6086, 7234, 12172, 14468, 15215, 18085, 30430, 36170, 60860, 61489, 72340, 122978, 245956, 307445, 614890, 647443, 1229780, 1294886, 2589772, 3237215, 6474430, 11006531, 12948860, 22013062, 44026124, 55032655, 110065310, 220130620]

約数ペア:

[(1, 220130620), (2, 110065310), (4, 55032655), (5, 44026124), (10, 22013062), (17, 12948860), (20, 11006531), (34, 6474430), (68, 3237215), (85, 2589772), (170, 1294886), (179, 1229780), (340, 647443), (358, 614890), (716, 307445), (895, 245956), (1790, 122978), (3043, 72340), (3580, 61489), (3617, 60860), (6086, 36170), (7234, 30430), (12172, 18085), (14468, 15215)]