678488980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{70529}}^1$

素因数の和:70588

約数の個数: 48

約数和(自身を含む): 1575922320

約数和(自身を除く): 897433340

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, 70529, 141058, 282116, 352645, 705290, 916877, 1410580, 1833754, 2609573, 3667508, 4584385, 5219146, 9168770, 10438292, 13047865, 18337540, 26095730, 33924449, 52191460, 67848898, 135697796, 169622245, 339244490, 678488980]

約数ペア:

[(1, 678488980), (2, 339244490), (4, 169622245), (5, 135697796), (10, 67848898), (13, 52191460), (20, 33924449), (26, 26095730), (37, 18337540), (52, 13047865), (65, 10438292), (74, 9168770), (130, 5219146), (148, 4584385), (185, 3667508), (260, 2609573), (370, 1833754), (481, 1410580), (740, 916877), (962, 705290), (1924, 352645), (2405, 282116), (4810, 141058), (9620, 70529)]