213536440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21613}}^1$

素因数の和:21656

約数の個数: 64

約数和(自身を含む): 544672800

約数和(自身を除く): 331136360

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, 21613, 43226, 86452, 108065, 172904, 216130, 280969, 410647, 432260, 561938, 821294, 864520, 1123876, 1404845, 1642588, 2053235, 2247752, 2809690, 3285176, 4106470, 5338411, 5619380, 8212940, 10676822, 11238760, 16425880, 21353644, 26692055, 42707288, 53384110, 106768220, 213536440]

約数ペア:

[(1, 213536440), (2, 106768220), (4, 53384110), (5, 42707288), (8, 26692055), (10, 21353644), (13, 16425880), (19, 11238760), (20, 10676822), (26, 8212940), (38, 5619380), (40, 5338411), (52, 4106470), (65, 3285176), (76, 2809690), (95, 2247752), (104, 2053235), (130, 1642588), (152, 1404845), (190, 1123876), (247, 864520), (260, 821294), (380, 561938), (494, 432260), (520, 410647), (760, 280969), (988, 216130), (1235, 172904), (1976, 108065), (2470, 86452), (4940, 43226), (9880, 21613)]