489594020

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1\times {\mathrm{877}}^1$

素因数の和:1260

約数の個数: 48

約数和(自身を含む): 1043148288

約数和(自身を除く): 553554268

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 271, 412, 515, 542, 877, 1030, 1084, 1355, 1754, 2060, 2710, 3508, 4385, 5420, 8770, 17540, 27913, 55826, 90331, 111652, 139565, 180662, 237667, 279130, 361324, 451655, 475334, 558260, 903310, 950668, 1188335, 1806620, 2376670, 4753340, 24479701, 48959402, 97918804, 122398505, 244797010, 489594020]

約数ペア:

[(1, 489594020), (2, 244797010), (4, 122398505), (5, 97918804), (10, 48959402), (20, 24479701), (103, 4753340), (206, 2376670), (271, 1806620), (412, 1188335), (515, 950668), (542, 903310), (877, 558260), (1030, 475334), (1084, 451655), (1355, 361324), (1754, 279130), (2060, 237667), (2710, 180662), (3508, 139565), (4385, 111652), (5420, 90331), (8770, 55826), (17540, 27913)]