290343040

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{34897}}^1$

素因数の和:34929

約数の個数: 64

約数和(自身を含む): 747515160

約数和(自身を除く): 457172120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 34897, 69794, 139588, 174485, 279176, 348970, 453661, 558352, 697940, 907322, 1116704, 1395880, 1814644, 2233408, 2268305, 2791760, 3629288, 4466816, 4536610, 5583520, 7258576, 9073220, 11167040, 14517152, 18146440, 22334080, 29034304, 36292880, 58068608, 72585760, 145171520, 290343040]

約数ペア:

[(1, 290343040), (2, 145171520), (4, 72585760), (5, 58068608), (8, 36292880), (10, 29034304), (13, 22334080), (16, 18146440), (20, 14517152), (26, 11167040), (32, 9073220), (40, 7258576), (52, 5583520), (64, 4536610), (65, 4466816), (80, 3629288), (104, 2791760), (128, 2268305), (130, 2233408), (160, 1814644), (208, 1395880), (260, 1116704), (320, 907322), (416, 697940), (520, 558352), (640, 453661), (832, 348970), (1040, 279176), (1664, 174485), (2080, 139588), (4160, 69794), (8320, 34897)]