974311640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1\times {\mathrm{3571}}^1$

素因数の和:3960

約数の個数: 64

約数和(自身を含む): 2314656000

約数和(自身を除く): 1340344360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 359, 380, 718, 760, 1436, 1795, 2872, 3571, 3590, 6821, 7142, 7180, 13642, 14284, 14360, 17855, 27284, 28568, 34105, 35710, 54568, 67849, 68210, 71420, 135698, 136420, 142840, 271396, 272840, 339245, 542792, 678490, 1281989, 1356980, 2563978, 2713960, 5127956, 6409945, 10255912, 12819890, 24357791, 25639780, 48715582, 51279560, 97431164, 121788955, 194862328, 243577910, 487155820, 974311640]

約数ペア:

[(1, 974311640), (2, 487155820), (4, 243577910), (5, 194862328), (8, 121788955), (10, 97431164), (19, 51279560), (20, 48715582), (38, 25639780), (40, 24357791), (76, 12819890), (95, 10255912), (152, 6409945), (190, 5127956), (359, 2713960), (380, 2563978), (718, 1356980), (760, 1281989), (1436, 678490), (1795, 542792), (2872, 339245), (3571, 272840), (3590, 271396), (6821, 142840), (7142, 136420), (7180, 135698), (13642, 71420), (14284, 68210), (14360, 67849), (17855, 54568), (27284, 35710), (28568, 34105)]