415059860

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{521}}^1\times {\mathrm{653}}^1$

素因数の和:1244

約数の個数: 48

約数和(自身を含む): 888974352

約数和(自身を除く): 473914492

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 521, 610, 653, 1042, 1220, 1306, 2084, 2605, 2612, 3265, 5210, 6530, 10420, 13060, 31781, 39833, 63562, 79666, 127124, 158905, 159332, 199165, 317810, 340213, 398330, 635620, 680426, 796660, 1360852, 1701065, 3402130, 6804260, 20752993, 41505986, 83011972, 103764965, 207529930, 415059860]

約数ペア:

[(1, 415059860), (2, 207529930), (4, 103764965), (5, 83011972), (10, 41505986), (20, 20752993), (61, 6804260), (122, 3402130), (244, 1701065), (305, 1360852), (521, 796660), (610, 680426), (653, 635620), (1042, 398330), (1220, 340213), (1306, 317810), (2084, 199165), (2605, 159332), (2612, 158905), (3265, 127124), (5210, 79666), (6530, 63562), (10420, 39833), (13060, 31781)]