256853870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{9733}}^1$

素因数の和:9789

約数の個数: 64

約数和(自身を含む): 588712320

約数和(自身を除く): 331858450

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 29, 35, 58, 65, 70, 91, 130, 145, 182, 203, 290, 377, 406, 455, 754, 910, 1015, 1885, 2030, 2639, 3770, 5278, 9733, 13195, 19466, 26390, 48665, 68131, 97330, 126529, 136262, 253058, 282257, 340655, 564514, 632645, 681310, 885703, 1265290, 1411285, 1771406, 1975799, 2822570, 3669341, 3951598, 4428515, 7338682, 8857030, 9878995, 18346705, 19757990, 25685387, 36693410, 51370774, 128426935, 256853870]

約数ペア:

[(1, 256853870), (2, 128426935), (5, 51370774), (7, 36693410), (10, 25685387), (13, 19757990), (14, 18346705), (26, 9878995), (29, 8857030), (35, 7338682), (58, 4428515), (65, 3951598), (70, 3669341), (91, 2822570), (130, 1975799), (145, 1771406), (182, 1411285), (203, 1265290), (290, 885703), (377, 681310), (406, 632645), (455, 564514), (754, 340655), (910, 282257), (1015, 253058), (1885, 136262), (2030, 126529), (2639, 97330), (3770, 68131), (5278, 48665), (9733, 26390), (13195, 19466)]