90109340

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1\times {\mathrm{373}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 194527872

約数和(自身を除く): 104418532

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 257, 373, 470, 514, 746, 940, 1028, 1285, 1492, 1865, 2570, 3730, 5140, 7460, 12079, 17531, 24158, 35062, 48316, 60395, 70124, 87655, 95861, 120790, 175310, 191722, 241580, 350620, 383444, 479305, 958610, 1917220, 4505467, 9010934, 18021868, 22527335, 45054670, 90109340]

約数ペア:

[(1, 90109340), (2, 45054670), (4, 22527335), (5, 18021868), (10, 9010934), (20, 4505467), (47, 1917220), (94, 958610), (188, 479305), (235, 383444), (257, 350620), (373, 241580), (470, 191722), (514, 175310), (746, 120790), (940, 95861), (1028, 87655), (1285, 70124), (1492, 60395), (1865, 48316), (2570, 35062), (3730, 24158), (5140, 17531), (7460, 12079)]