12799780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{353}}^1$

素因数の和:413

約数の個数: 72

約数和(自身を含む): 32204088

約数和(自身を除く): 19404308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 74, 98, 140, 148, 185, 196, 245, 259, 353, 370, 490, 518, 706, 740, 980, 1036, 1295, 1412, 1765, 1813, 2471, 2590, 3530, 3626, 4942, 5180, 7060, 7252, 9065, 9884, 12355, 13061, 17297, 18130, 24710, 26122, 34594, 36260, 49420, 52244, 65305, 69188, 86485, 91427, 130610, 172970, 182854, 261220, 345940, 365708, 457135, 639989, 914270, 1279978, 1828540, 2559956, 3199945, 6399890, 12799780]

約数ペア:

[(1, 12799780), (2, 6399890), (4, 3199945), (5, 2559956), (7, 1828540), (10, 1279978), (14, 914270), (20, 639989), (28, 457135), (35, 365708), (37, 345940), (49, 261220), (70, 182854), (74, 172970), (98, 130610), (140, 91427), (148, 86485), (185, 69188), (196, 65305), (245, 52244), (259, 49420), (353, 36260), (370, 34594), (490, 26122), (518, 24710), (706, 18130), (740, 17297), (980, 13061), (1036, 12355), (1295, 9884), (1412, 9065), (1765, 7252), (1813, 7060), (2471, 5180), (2590, 4942), (3530, 3626)]