156948740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31771}}^1$

素因数の和:31812

約数の個数: 48

約数和(自身を含む): 373638720

約数和(自身を除く): 216689980

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, 31771, 63542, 127084, 158855, 317710, 413023, 603649, 635420, 826046, 1207298, 1652092, 2065115, 2414596, 3018245, 4130230, 6036490, 7847437, 8260460, 12072980, 15694874, 31389748, 39237185, 78474370, 156948740]

約数ペア:

[(1, 156948740), (2, 78474370), (4, 39237185), (5, 31389748), (10, 15694874), (13, 12072980), (19, 8260460), (20, 7847437), (26, 6036490), (38, 4130230), (52, 3018245), (65, 2414596), (76, 2065115), (95, 1652092), (130, 1207298), (190, 826046), (247, 635420), (260, 603649), (380, 413023), (494, 317710), (988, 158855), (1235, 127084), (2470, 63542), (4940, 31771)]