307791640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31153}}^1$

素因数の和:31196

約数の個数: 64

約数和(自身を含む): 785080800

約数和(自身を除く): 477289160

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 9880, 31153, 62306, 124612, 155765, 249224, 311530, 404989, 591907, 623060, 809978, 1183814, 1246120, 1619956, 2024945, 2367628, 2959535, 3239912, 4049890, 4735256, 5919070, 7694791, 8099780, 11838140, 15389582, 16199560, 23676280, 30779164, 38473955, 61558328, 76947910, 153895820, 307791640]

約数ペア:

[(1, 307791640), (2, 153895820), (4, 76947910), (5, 61558328), (8, 38473955), (10, 30779164), (13, 23676280), (19, 16199560), (20, 15389582), (26, 11838140), (38, 8099780), (40, 7694791), (52, 5919070), (65, 4735256), (76, 4049890), (95, 3239912), (104, 2959535), (130, 2367628), (152, 2024945), (190, 1619956), (247, 1246120), (260, 1183814), (380, 809978), (494, 623060), (520, 591907), (760, 404989), (988, 311530), (1235, 249224), (1976, 155765), (2470, 124612), (4940, 62306), (9880, 31153)]