42074740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{421}}^1$

素因数の和:712

約数の個数: 48

約数和(自身を含む): 93582720

約数和(自身を除く): 51507980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 263, 380, 421, 526, 842, 1052, 1315, 1684, 2105, 2630, 4210, 4997, 5260, 7999, 8420, 9994, 15998, 19988, 24985, 31996, 39995, 49970, 79990, 99940, 110723, 159980, 221446, 442892, 553615, 1107230, 2103737, 2214460, 4207474, 8414948, 10518685, 21037370, 42074740]

約数ペア:

[(1, 42074740), (2, 21037370), (4, 10518685), (5, 8414948), (10, 4207474), (19, 2214460), (20, 2103737), (38, 1107230), (76, 553615), (95, 442892), (190, 221446), (263, 159980), (380, 110723), (421, 99940), (526, 79990), (842, 49970), (1052, 39995), (1315, 31996), (1684, 24985), (2105, 19988), (2630, 15998), (4210, 9994), (4997, 8420), (5260, 7999)]