10621240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{5419}}^1$

素因数の和:5444

約数の個数: 48

約数和(自身を含む): 27804600

約数和(自身を除く): 17183360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 5419, 10838, 21676, 27095, 37933, 43352, 54190, 75866, 108380, 151732, 189665, 216760, 265531, 303464, 379330, 531062, 758660, 1062124, 1327655, 1517320, 2124248, 2655310, 5310620, 10621240]

約数ペア:

[(1, 10621240), (2, 5310620), (4, 2655310), (5, 2124248), (7, 1517320), (8, 1327655), (10, 1062124), (14, 758660), (20, 531062), (28, 379330), (35, 303464), (40, 265531), (49, 216760), (56, 189665), (70, 151732), (98, 108380), (140, 75866), (196, 54190), (245, 43352), (280, 37933), (392, 27095), (490, 21676), (980, 10838), (1960, 5419)]