201420730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:443

約数の個数: 64

約数和(自身を含む): 423198720

約数和(自身を除く): 221777990

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 127, 139, 163, 254, 278, 326, 635, 695, 815, 889, 973, 1141, 1270, 1390, 1630, 1778, 1946, 2282, 4445, 4865, 5705, 8890, 9730, 11410, 17653, 20701, 22657, 35306, 41402, 45314, 88265, 103505, 113285, 123571, 144907, 158599, 176530, 207010, 226570, 247142, 289814, 317198, 617855, 724535, 792995, 1235710, 1449070, 1585990, 2877439, 5754878, 14387195, 20142073, 28774390, 40284146, 100710365, 201420730]

約数ペア:

[(1, 201420730), (2, 100710365), (5, 40284146), (7, 28774390), (10, 20142073), (14, 14387195), (35, 5754878), (70, 2877439), (127, 1585990), (139, 1449070), (163, 1235710), (254, 792995), (278, 724535), (326, 617855), (635, 317198), (695, 289814), (815, 247142), (889, 226570), (973, 207010), (1141, 176530), (1270, 158599), (1390, 144907), (1630, 123571), (1778, 113285), (1946, 103505), (2282, 88265), (4445, 45314), (4865, 41402), (5705, 35306), (8890, 22657), (9730, 20701), (11410, 17653)]