2149885240

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1\times {\mathrm{2213}}^1$

素因数の和:2536

約数の個数: 64

約数和(自身を含む): 4901796000

約数和(自身を除く): 2751910760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 163, 298, 326, 596, 652, 745, 815, 1192, 1304, 1490, 1630, 2213, 2980, 3260, 4426, 5960, 6520, 8852, 11065, 17704, 22130, 24287, 44260, 48574, 88520, 97148, 121435, 194296, 242870, 329737, 360719, 485740, 659474, 721438, 971480, 1318948, 1442876, 1648685, 1803595, 2637896, 2885752, 3297370, 3607190, 6594740, 7214380, 13189480, 14428760, 53747131, 107494262, 214988524, 268735655, 429977048, 537471310, 1074942620, 2149885240]

約数ペア:

[(1, 2149885240), (2, 1074942620), (4, 537471310), (5, 429977048), (8, 268735655), (10, 214988524), (20, 107494262), (40, 53747131), (149, 14428760), (163, 13189480), (298, 7214380), (326, 6594740), (596, 3607190), (652, 3297370), (745, 2885752), (815, 2637896), (1192, 1803595), (1304, 1648685), (1490, 1442876), (1630, 1318948), (2213, 971480), (2980, 721438), (3260, 659474), (4426, 485740), (5960, 360719), (6520, 329737), (8852, 242870), (11065, 194296), (17704, 121435), (22130, 97148), (24287, 88520), (44260, 48574)]