127989430

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{67}}^1\times {\mathrm{661}}^1$

素因数の和:769

約数の個数: 48

約数和(自身を含む): 248758416

約数和(自身を除く): 120768986

約数列:

[1, 2, 5, 10, 17, 34, 67, 85, 134, 170, 289, 335, 578, 661, 670, 1139, 1322, 1445, 2278, 2890, 3305, 5695, 6610, 11237, 11390, 19363, 22474, 38726, 44287, 56185, 88574, 96815, 112370, 191029, 193630, 221435, 382058, 442870, 752879, 955145, 1505758, 1910290, 3764395, 7528790, 12798943, 25597886, 63994715, 127989430]

約数ペア:

[(1, 127989430), (2, 63994715), (5, 25597886), (10, 12798943), (17, 7528790), (34, 3764395), (67, 1910290), (85, 1505758), (134, 955145), (170, 752879), (289, 442870), (335, 382058), (578, 221435), (661, 193630), (670, 191029), (1139, 112370), (1322, 96815), (1445, 88574), (2278, 56185), (2890, 44287), (3305, 38726), (5695, 22474), (6610, 19363), (11237, 11390)]