904105580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{39619}}^1$

素因数の和:39798

約数の個数: 48

約数和(自身を含む): 2183220480

約数和(自身を除く): 1279114900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 326, 652, 815, 1141, 1630, 2282, 3260, 4564, 5705, 11410, 22820, 39619, 79238, 158476, 198095, 277333, 396190, 554666, 792380, 1109332, 1386665, 2773330, 5546660, 6457897, 12915794, 25831588, 32289485, 45205279, 64578970, 90410558, 129157940, 180821116, 226026395, 452052790, 904105580]

約数ペア:

[(1, 904105580), (2, 452052790), (4, 226026395), (5, 180821116), (7, 129157940), (10, 90410558), (14, 64578970), (20, 45205279), (28, 32289485), (35, 25831588), (70, 12915794), (140, 6457897), (163, 5546660), (326, 2773330), (652, 1386665), (815, 1109332), (1141, 792380), (1630, 554666), (2282, 396190), (3260, 277333), (4564, 198095), (5705, 158476), (11410, 79238), (22820, 39619)]