623477980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{10709}}^1$

素因数の和:10830

約数の個数: 48

約数和(自身を含む): 1360255680

約数和(自身を除く): 736777700

約数列:

[1, 2, 4, 5, 10, 20, 41, 71, 82, 142, 164, 205, 284, 355, 410, 710, 820, 1420, 2911, 5822, 10709, 11644, 14555, 21418, 29110, 42836, 53545, 58220, 107090, 214180, 439069, 760339, 878138, 1520678, 1756276, 2195345, 3041356, 3801695, 4390690, 7603390, 8781380, 15206780, 31173899, 62347798, 124695596, 155869495, 311738990, 623477980]

約数ペア:

[(1, 623477980), (2, 311738990), (4, 155869495), (5, 124695596), (10, 62347798), (20, 31173899), (41, 15206780), (71, 8781380), (82, 7603390), (142, 4390690), (164, 3801695), (205, 3041356), (284, 2195345), (355, 1756276), (410, 1520678), (710, 878138), (820, 760339), (1420, 439069), (2911, 214180), (5822, 107090), (10709, 58220), (11644, 53545), (14555, 42836), (21418, 29110)]