131007380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{3613}}^1$

素因数の和:3673

約数の個数: 72

約数和(自身を含む): 328772808

約数和(自身を除く): 197765428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 74, 98, 140, 148, 185, 196, 245, 259, 370, 490, 518, 740, 980, 1036, 1295, 1813, 2590, 3613, 3626, 5180, 7226, 7252, 9065, 14452, 18065, 18130, 25291, 36130, 36260, 50582, 72260, 101164, 126455, 133681, 177037, 252910, 267362, 354074, 505820, 534724, 668405, 708148, 885185, 935767, 1336810, 1770370, 1871534, 2673620, 3540740, 3743068, 4678835, 6550369, 9357670, 13100738, 18715340, 26201476, 32751845, 65503690, 131007380]

約数ペア:

[(1, 131007380), (2, 65503690), (4, 32751845), (5, 26201476), (7, 18715340), (10, 13100738), (14, 9357670), (20, 6550369), (28, 4678835), (35, 3743068), (37, 3540740), (49, 2673620), (70, 1871534), (74, 1770370), (98, 1336810), (140, 935767), (148, 885185), (185, 708148), (196, 668405), (245, 534724), (259, 505820), (370, 354074), (490, 267362), (518, 252910), (740, 177037), (980, 133681), (1036, 126455), (1295, 101164), (1813, 72260), (2590, 50582), (3613, 36260), (3626, 36130), (5180, 25291), (7226, 18130), (7252, 18065), (9065, 14452)]