30331490

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 65664000

約数和(自身を除く): 35332510

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 49, 70, 74, 98, 185, 239, 245, 259, 343, 370, 478, 490, 518, 686, 1195, 1295, 1673, 1715, 1813, 2390, 2590, 3346, 3430, 3626, 8365, 8843, 9065, 11711, 12691, 16730, 17686, 18130, 23422, 25382, 44215, 58555, 61901, 63455, 81977, 88430, 117110, 123802, 126910, 163954, 309505, 409885, 433307, 619010, 819770, 866614, 2166535, 3033149, 4333070, 6066298, 15165745, 30331490]

約数ペア:

[(1, 30331490), (2, 15165745), (5, 6066298), (7, 4333070), (10, 3033149), (14, 2166535), (35, 866614), (37, 819770), (49, 619010), (70, 433307), (74, 409885), (98, 309505), (185, 163954), (239, 126910), (245, 123802), (259, 117110), (343, 88430), (370, 81977), (478, 63455), (490, 61901), (518, 58555), (686, 44215), (1195, 25382), (1295, 23422), (1673, 18130), (1715, 17686), (1813, 16730), (2390, 12691), (2590, 11711), (3346, 9065), (3430, 8843), (3626, 8365)]