1249277720

素因数分解:

$2^3\times 5^1\times {\mathrm{443}}^1\times {\mathrm{70501}}^1$

素因数の和:70955

約数の個数: 32

約数和(自身を含む): 2817259920

約数和(自身を除く): 1567982200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 443, 886, 1772, 2215, 3544, 4430, 8860, 17720, 70501, 141002, 282004, 352505, 564008, 705010, 1410020, 2820040, 31231943, 62463886, 124927772, 156159715, 249855544, 312319430, 624638860, 1249277720]

約数ペア:

[(1, 1249277720), (2, 624638860), (4, 312319430), (5, 249855544), (8, 156159715), (10, 124927772), (20, 62463886), (40, 31231943), (443, 2820040), (886, 1410020), (1772, 705010), (2215, 564008), (3544, 352505), (4430, 282004), (8860, 141002), (17720, 70501)]