42587180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{461}}^1$

素因数の和:650

約数の個数: 48

約数和(自身を含む): 93139200

約数和(自身を除く): 50552020

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 149, 155, 298, 310, 461, 596, 620, 745, 922, 1490, 1844, 2305, 2980, 4610, 4619, 9220, 9238, 14291, 18476, 23095, 28582, 46190, 57164, 68689, 71455, 92380, 137378, 142910, 274756, 285820, 343445, 686890, 1373780, 2129359, 4258718, 8517436, 10646795, 21293590, 42587180]

約数ペア:

[(1, 42587180), (2, 21293590), (4, 10646795), (5, 8517436), (10, 4258718), (20, 2129359), (31, 1373780), (62, 686890), (124, 343445), (149, 285820), (155, 274756), (298, 142910), (310, 137378), (461, 92380), (596, 71455), (620, 68689), (745, 57164), (922, 46190), (1490, 28582), (1844, 23095), (2305, 18476), (2980, 14291), (4610, 9238), (4619, 9220)]