164777420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{2237}}^1$

素因数の和:2402

約数の個数: 48

約数和(自身を含む): 360944640

約数和(自身を除く): 196167220

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 127, 145, 254, 290, 508, 580, 635, 1270, 2237, 2540, 3683, 4474, 7366, 8948, 11185, 14732, 18415, 22370, 36830, 44740, 64873, 73660, 129746, 259492, 284099, 324365, 568198, 648730, 1136396, 1297460, 1420495, 2840990, 5681980, 8238871, 16477742, 32955484, 41194355, 82388710, 164777420]

約数ペア:

[(1, 164777420), (2, 82388710), (4, 41194355), (5, 32955484), (10, 16477742), (20, 8238871), (29, 5681980), (58, 2840990), (116, 1420495), (127, 1297460), (145, 1136396), (254, 648730), (290, 568198), (508, 324365), (580, 284099), (635, 259492), (1270, 129746), (2237, 73660), (2540, 64873), (3683, 44740), (4474, 36830), (7366, 22370), (8948, 18415), (11185, 14732)]