191697740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{19927}}^1$

素因数の和:19986

約数の個数: 48

約数和(自身を含む): 445271232

約数和(自身を除く): 253573492

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 4810, 9620, 19927, 39854, 79708, 99635, 199270, 259051, 398540, 518102, 737299, 1036204, 1295255, 1474598, 2590510, 2949196, 3686495, 5181020, 7372990, 9584887, 14745980, 19169774, 38339548, 47924435, 95848870, 191697740]

約数ペア:

[(1, 191697740), (2, 95848870), (4, 47924435), (5, 38339548), (10, 19169774), (13, 14745980), (20, 9584887), (26, 7372990), (37, 5181020), (52, 3686495), (65, 2949196), (74, 2590510), (130, 1474598), (148, 1295255), (185, 1036204), (260, 737299), (370, 518102), (481, 398540), (740, 259051), (962, 199270), (1924, 99635), (2405, 79708), (4810, 39854), (9620, 19927)]