56978740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31307}}^1$

素因数の和:31336

約数の個数: 48

約数和(自身を含む): 147272832

約数和(自身を除く): 90294092

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 31307, 62614, 125228, 156535, 219149, 313070, 406991, 438298, 626140, 813982, 876596, 1095745, 1627964, 2034955, 2191490, 2848937, 4069910, 4382980, 5697874, 8139820, 11395748, 14244685, 28489370, 56978740]

約数ペア:

[(1, 56978740), (2, 28489370), (4, 14244685), (5, 11395748), (7, 8139820), (10, 5697874), (13, 4382980), (14, 4069910), (20, 2848937), (26, 2191490), (28, 2034955), (35, 1627964), (52, 1095745), (65, 876596), (70, 813982), (91, 626140), (130, 438298), (140, 406991), (182, 313070), (260, 219149), (364, 156535), (455, 125228), (910, 62614), (1820, 31307)]