767492020

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{311}}^1\times {\mathrm{757}}^1$

素因数の和:1240

約数の個数: 48

約数和(自身を含む): 1628984448

約数和(自身を除く): 861492428

約数列:

[1, 2, 4, 5, 10, 20, 163, 311, 326, 622, 652, 757, 815, 1244, 1514, 1555, 1630, 3028, 3110, 3260, 3785, 6220, 7570, 15140, 50693, 101386, 123391, 202772, 235427, 246782, 253465, 470854, 493564, 506930, 616955, 941708, 1013860, 1177135, 1233910, 2354270, 2467820, 4708540, 38374601, 76749202, 153498404, 191873005, 383746010, 767492020]

約数ペア:

[(1, 767492020), (2, 383746010), (4, 191873005), (5, 153498404), (10, 76749202), (20, 38374601), (163, 4708540), (311, 2467820), (326, 2354270), (622, 1233910), (652, 1177135), (757, 1013860), (815, 941708), (1244, 616955), (1514, 506930), (1555, 493564), (1630, 470854), (3028, 253465), (3110, 246782), (3260, 235427), (3785, 202772), (6220, 123391), (7570, 101386), (15140, 50693)]