488950240

素因数分解:

$2^5\times 5^1\times {\mathrm{1669}}^1\times {\mathrm{1831}}^1$

素因数の和:3515

約数の個数: 48

約数和(自身を含む): 1156468320

約数和(自身を除く): 667518080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1669, 1831, 3338, 3662, 6676, 7324, 8345, 9155, 13352, 14648, 16690, 18310, 26704, 29296, 33380, 36620, 53408, 58592, 66760, 73240, 133520, 146480, 267040, 292960, 3055939, 6111878, 12223756, 15279695, 24447512, 30559390, 48895024, 61118780, 97790048, 122237560, 244475120, 488950240]

約数ペア:

[(1, 488950240), (2, 244475120), (4, 122237560), (5, 97790048), (8, 61118780), (10, 48895024), (16, 30559390), (20, 24447512), (32, 15279695), (40, 12223756), (80, 6111878), (160, 3055939), (1669, 292960), (1831, 267040), (3338, 146480), (3662, 133520), (6676, 73240), (7324, 66760), (8345, 58592), (9155, 53408), (13352, 36620), (14648, 33380), (16690, 29296), (18310, 26704)]