400289435

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{2437}}^1$

素因数の和:2500

約数の個数: 48

約数和(自身を含む): 624206016

約数和(自身を除く): 223916581

約数列:

[1, 5, 7, 13, 19, 35, 65, 91, 95, 133, 247, 361, 455, 665, 1235, 1729, 1805, 2437, 2527, 4693, 8645, 12185, 12635, 17059, 23465, 31681, 32851, 46303, 85295, 158405, 164255, 221767, 231515, 324121, 601939, 879757, 1108835, 1620605, 3009695, 4213573, 4398785, 6158299, 11436841, 21067865, 30791495, 57184205, 80057887, 400289435]

約数ペア:

[(1, 400289435), (5, 80057887), (7, 57184205), (13, 30791495), (19, 21067865), (35, 11436841), (65, 6158299), (91, 4398785), (95, 4213573), (133, 3009695), (247, 1620605), (361, 1108835), (455, 879757), (665, 601939), (1235, 324121), (1729, 231515), (1805, 221767), (2437, 164255), (2527, 158405), (4693, 85295), (8645, 46303), (12185, 32851), (12635, 31681), (17059, 23465)]