27720890060

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{612481}}^1$

素因数の和:612594

約数の個数: 48

約数和(自身を含む): 60915009792

約数和(自身を除く): 33194119732

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 73, 124, 146, 155, 292, 310, 365, 620, 730, 1460, 2263, 4526, 9052, 11315, 22630, 45260, 612481, 1224962, 2449924, 3062405, 6124810, 12249620, 18986911, 37973822, 44711113, 75947644, 89422226, 94934555, 178844452, 189869110, 223555565, 379738220, 447111130, 894222260, 1386044503, 2772089006, 5544178012, 6930222515, 13860445030, 27720890060]

約数ペア:

[(1, 27720890060), (2, 13860445030), (4, 6930222515), (5, 5544178012), (10, 2772089006), (20, 1386044503), (31, 894222260), (62, 447111130), (73, 379738220), (124, 223555565), (146, 189869110), (155, 178844452), (292, 94934555), (310, 89422226), (365, 75947644), (620, 44711113), (730, 37973822), (1460, 18986911), (2263, 12249620), (4526, 6124810), (9052, 3062405), (11315, 2449924), (22630, 1224962), (45260, 612481)]