1489163920

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{641881}}^1$

素因数の和:641923

約数の個数: 40

約数和(自身を含む): 3581701560

約数和(自身を除く): 2092537640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 641881, 1283762, 2567524, 3209405, 5135048, 6418810, 10270096, 12837620, 18614549, 25675240, 37229098, 51350480, 74458196, 93072745, 148916392, 186145490, 297832784, 372290980, 744581960, 1489163920]

約数ペア:

[(1, 1489163920), (2, 744581960), (4, 372290980), (5, 297832784), (8, 186145490), (10, 148916392), (16, 93072745), (20, 74458196), (29, 51350480), (40, 37229098), (58, 25675240), (80, 18614549), (116, 12837620), (145, 10270096), (232, 6418810), (290, 5135048), (464, 3209405), (580, 2567524), (1160, 1283762), (2320, 641881)]