87460990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{569}}^1\times {\mathrm{809}}^1$

素因数の和:1404

約数の個数: 32

約数和(自身を含む): 166212000

約数和(自身を除く): 78751010

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 569, 809, 1138, 1618, 2845, 4045, 5690, 8090, 10811, 15371, 21622, 30742, 54055, 76855, 108110, 153710, 460321, 920642, 2301605, 4603210, 8746099, 17492198, 43730495, 87460990]

約数ペア:

[(1, 87460990), (2, 43730495), (5, 17492198), (10, 8746099), (19, 4603210), (38, 2301605), (95, 920642), (190, 460321), (569, 153710), (809, 108110), (1138, 76855), (1618, 54055), (2845, 30742), (4045, 21622), (5690, 15371), (8090, 10811)]