127740890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{44201}}^1$

素因数の和:44242

約数の個数: 24

約数和(自身を含む): 244260252

約数和(自身を除く): 116519362

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 289, 578, 1445, 2890, 44201, 88402, 221005, 442010, 751417, 1502834, 3757085, 7514170, 12774089, 25548178, 63870445, 127740890]

約数ペア:

[(1, 127740890), (2, 63870445), (5, 25548178), (10, 12774089), (17, 7514170), (34, 3757085), (85, 1502834), (170, 751417), (289, 442010), (578, 221005), (1445, 88402), (2890, 44201)]