87850730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{431}}^1$

素因数の和:575

約数の個数: 64

約数和(自身を含む): 184757760

約数和(自身を除く): 96907030

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 109, 110, 170, 187, 218, 374, 431, 545, 862, 935, 1090, 1199, 1853, 1870, 2155, 2398, 3706, 4310, 4741, 5995, 7327, 9265, 9482, 11990, 14654, 18530, 20383, 23705, 36635, 40766, 46979, 47410, 73270, 80597, 93958, 101915, 161194, 203830, 234895, 402985, 469790, 516769, 798643, 805970, 1033538, 1597286, 2583845, 3993215, 5167690, 7986430, 8785073, 17570146, 43925365, 87850730]

約数ペア:

[(1, 87850730), (2, 43925365), (5, 17570146), (10, 8785073), (11, 7986430), (17, 5167690), (22, 3993215), (34, 2583845), (55, 1597286), (85, 1033538), (109, 805970), (110, 798643), (170, 516769), (187, 469790), (218, 402985), (374, 234895), (431, 203830), (545, 161194), (862, 101915), (935, 93958), (1090, 80597), (1199, 73270), (1853, 47410), (1870, 46979), (2155, 40766), (2398, 36635), (3706, 23705), (4310, 20383), (4741, 18530), (5995, 14654), (7327, 11990), (9265, 9482)]