889344580

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{16927}}^1$

素因数の和:17044

約数の個数: 48

約数和(自身を含む): 1945230336

約数和(自身を除く): 1055885756

約数列:

[1, 2, 4, 5, 10, 20, 37, 71, 74, 142, 148, 185, 284, 355, 370, 710, 740, 1420, 2627, 5254, 10508, 13135, 16927, 26270, 33854, 52540, 67708, 84635, 169270, 338540, 626299, 1201817, 1252598, 2403634, 2505196, 3131495, 4807268, 6009085, 6262990, 12018170, 12525980, 24036340, 44467229, 88934458, 177868916, 222336145, 444672290, 889344580]

約数ペア:

[(1, 889344580), (2, 444672290), (4, 222336145), (5, 177868916), (10, 88934458), (20, 44467229), (37, 24036340), (71, 12525980), (74, 12018170), (142, 6262990), (148, 6009085), (185, 4807268), (284, 3131495), (355, 2505196), (370, 2403634), (710, 1252598), (740, 1201817), (1420, 626299), (2627, 338540), (5254, 169270), (10508, 84635), (13135, 67708), (16927, 52540), (26270, 33854)]