156620990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{26591}}^1$

素因数の和:26648

約数の個数: 32

約数和(自身を含む): 306339840

約数和(自身を除く): 149718850

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 589, 1178, 2945, 5890, 26591, 53182, 132955, 265910, 505229, 824321, 1010458, 1648642, 2526145, 4121605, 5052290, 8243210, 15662099, 31324198, 78310495, 156620990]

約数ペア:

[(1, 156620990), (2, 78310495), (5, 31324198), (10, 15662099), (19, 8243210), (31, 5052290), (38, 4121605), (62, 2526145), (95, 1648642), (155, 1010458), (190, 824321), (310, 505229), (589, 265910), (1178, 132955), (2945, 53182), (5890, 26591)]