178836620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{503}}^1\times {\mathrm{613}}^1$

素因数の和:1154

約数の個数: 48

約数和(自身を含む): 389914560

約数和(自身を除く): 211077940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 503, 580, 613, 1006, 1226, 2012, 2452, 2515, 3065, 5030, 6130, 10060, 12260, 14587, 17777, 29174, 35554, 58348, 71108, 72935, 88885, 145870, 177770, 291740, 308339, 355540, 616678, 1233356, 1541695, 3083390, 6166780, 8941831, 17883662, 35767324, 44709155, 89418310, 178836620]

約数ペア:

[(1, 178836620), (2, 89418310), (4, 44709155), (5, 35767324), (10, 17883662), (20, 8941831), (29, 6166780), (58, 3083390), (116, 1541695), (145, 1233356), (290, 616678), (503, 355540), (580, 308339), (613, 291740), (1006, 177770), (1226, 145870), (2012, 88885), (2452, 72935), (2515, 71108), (3065, 58348), (5030, 35554), (6130, 29174), (10060, 17777), (12260, 14587)]