72968740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{14771}}^1$

素因数の和:14812

約数の個数: 48

約数和(自身を含む): 173718720

約数和(自身を除く): 100749980

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 14771, 29542, 59084, 73855, 147710, 192023, 280649, 295420, 384046, 561298, 768092, 960115, 1122596, 1403245, 1920230, 2806490, 3648437, 3840460, 5612980, 7296874, 14593748, 18242185, 36484370, 72968740]

約数ペア:

[(1, 72968740), (2, 36484370), (4, 18242185), (5, 14593748), (10, 7296874), (13, 5612980), (19, 3840460), (20, 3648437), (26, 2806490), (38, 1920230), (52, 1403245), (65, 1122596), (76, 960115), (95, 768092), (130, 561298), (190, 384046), (247, 295420), (260, 280649), (380, 192023), (494, 147710), (988, 73855), (1235, 59084), (2470, 29542), (4940, 14771)]