204624520

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1\times {\mathrm{367}}^1$

素因数の和:694

約数の個数: 64

約数和(自身を含む): 472158720

約数和(自身を除く): 267534200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 263, 265, 367, 424, 526, 530, 734, 1052, 1060, 1315, 1468, 1835, 2104, 2120, 2630, 2936, 3670, 5260, 7340, 10520, 13939, 14680, 19451, 27878, 38902, 55756, 69695, 77804, 96521, 97255, 111512, 139390, 155608, 193042, 194510, 278780, 386084, 389020, 482605, 557560, 772168, 778040, 965210, 1930420, 3860840, 5115613, 10231226, 20462452, 25578065, 40924904, 51156130, 102312260, 204624520]

約数ペア:

[(1, 204624520), (2, 102312260), (4, 51156130), (5, 40924904), (8, 25578065), (10, 20462452), (20, 10231226), (40, 5115613), (53, 3860840), (106, 1930420), (212, 965210), (263, 778040), (265, 772168), (367, 557560), (424, 482605), (526, 389020), (530, 386084), (734, 278780), (1052, 194510), (1060, 193042), (1315, 155608), (1468, 139390), (1835, 111512), (2104, 97255), (2120, 96521), (2630, 77804), (2936, 69695), (3670, 55756), (5260, 38902), (7340, 27878), (10520, 19451), (13939, 14680)]