72701980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{14717}}^1$

素因数の和:14758

約数の個数: 48

約数和(自身を含む): 173083680

約数和(自身を除く): 100381700

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, 14717, 29434, 58868, 73585, 147170, 191321, 279623, 294340, 382642, 559246, 765284, 956605, 1118492, 1398115, 1913210, 2796230, 3635099, 3826420, 5592460, 7270198, 14540396, 18175495, 36350990, 72701980]

約数ペア:

[(1, 72701980), (2, 36350990), (4, 18175495), (5, 14540396), (10, 7270198), (13, 5592460), (19, 3826420), (20, 3635099), (26, 2796230), (38, 1913210), (52, 1398115), (65, 1118492), (76, 956605), (95, 765284), (130, 559246), (190, 382642), (247, 294340), (260, 279623), (380, 191321), (494, 147170), (988, 73585), (1235, 58868), (2470, 29434), (4940, 14717)]