287335040

素因数分解:

$2^7\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1669}}^1$

素因数の和:1957

約数の個数: 64

約数和(自身を含む): 689877000

約数和(自身を除く): 402541960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 269, 320, 538, 640, 1076, 1345, 1669, 2152, 2690, 3338, 4304, 5380, 6676, 8345, 8608, 10760, 13352, 16690, 17216, 21520, 26704, 33380, 34432, 43040, 53408, 66760, 86080, 106816, 133520, 172160, 213632, 267040, 448961, 534080, 897922, 1068160, 1795844, 2244805, 3591688, 4489610, 7183376, 8979220, 14366752, 17958440, 28733504, 35916880, 57467008, 71833760, 143667520, 287335040]

約数ペア:

[(1, 287335040), (2, 143667520), (4, 71833760), (5, 57467008), (8, 35916880), (10, 28733504), (16, 17958440), (20, 14366752), (32, 8979220), (40, 7183376), (64, 4489610), (80, 3591688), (128, 2244805), (160, 1795844), (269, 1068160), (320, 897922), (538, 534080), (640, 448961), (1076, 267040), (1345, 213632), (1669, 172160), (2152, 133520), (2690, 106816), (3338, 86080), (4304, 66760), (5380, 53408), (6676, 43040), (8345, 34432), (8608, 33380), (10760, 26704), (13352, 21520), (16690, 17216)]