1288598980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{222941}}^1$

素因数の和:222984

約数の個数: 36

約数和(自身を含む): 2874614148

約数和(自身を除く): 1586015168

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5780, 222941, 445882, 891764, 1114705, 2229410, 3789997, 4458820, 7579994, 15159988, 18949985, 37899970, 64429949, 75799940, 128859898, 257719796, 322149745, 644299490, 1288598980]

約数ペア:

[(1, 1288598980), (2, 644299490), (4, 322149745), (5, 257719796), (10, 128859898), (17, 75799940), (20, 64429949), (34, 37899970), (68, 18949985), (85, 15159988), (170, 7579994), (289, 4458820), (340, 3789997), (578, 2229410), (1156, 1114705), (1445, 891764), (2890, 445882), (5780, 222941)]