425915860

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{6269}}^1$

素因数の和:6400

約数の個数: 48

約数和(自身を含む): 926956800

約数和(自身を除く): 501040940

約数列:

[1, 2, 4, 5, 10, 20, 43, 79, 86, 158, 172, 215, 316, 395, 430, 790, 860, 1580, 3397, 6269, 6794, 12538, 13588, 16985, 25076, 31345, 33970, 62690, 67940, 125380, 269567, 495251, 539134, 990502, 1078268, 1347835, 1981004, 2476255, 2695670, 4952510, 5391340, 9905020, 21295793, 42591586, 85183172, 106478965, 212957930, 425915860]

約数ペア:

[(1, 425915860), (2, 212957930), (4, 106478965), (5, 85183172), (10, 42591586), (20, 21295793), (43, 9905020), (79, 5391340), (86, 4952510), (158, 2695670), (172, 2476255), (215, 1981004), (316, 1347835), (395, 1078268), (430, 990502), (790, 539134), (860, 495251), (1580, 269567), (3397, 125380), (6269, 67940), (6794, 62690), (12538, 33970), (13588, 31345), (16985, 25076)]