290656912

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2243}}^1$

素因数の和:2360

約数の個数: 80

約数和(自身を含む): 701205120

約数和(自身を除く): 410548208

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 89, 91, 104, 112, 178, 182, 208, 356, 364, 623, 712, 728, 1157, 1246, 1424, 1456, 2243, 2314, 2492, 4486, 4628, 4984, 8099, 8972, 9256, 9968, 15701, 16198, 17944, 18512, 29159, 31402, 32396, 35888, 58318, 62804, 64792, 116636, 125608, 129584, 199627, 204113, 233272, 251216, 399254, 408226, 466544, 798508, 816452, 1397389, 1597016, 1632904, 2595151, 2794778, 3194032, 3265808, 5190302, 5589556, 10380604, 11179112, 18166057, 20761208, 22358224, 36332114, 41522416, 72664228, 145328456, 290656912]

約数ペア:

[(1, 290656912), (2, 145328456), (4, 72664228), (7, 41522416), (8, 36332114), (13, 22358224), (14, 20761208), (16, 18166057), (26, 11179112), (28, 10380604), (52, 5589556), (56, 5190302), (89, 3265808), (91, 3194032), (104, 2794778), (112, 2595151), (178, 1632904), (182, 1597016), (208, 1397389), (356, 816452), (364, 798508), (623, 466544), (712, 408226), (728, 399254), (1157, 251216), (1246, 233272), (1424, 204113), (1456, 199627), (2243, 129584), (2314, 125608), (2492, 116636), (4486, 64792), (4628, 62804), (4984, 58318), (8099, 35888), (8972, 32396), (9256, 31402), (9968, 29159), (15701, 18512), (16198, 17944)]