3178420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{311}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 7757568

約数和(自身を除く): 4579148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 311, 365, 511, 622, 730, 1022, 1244, 1460, 1555, 2044, 2177, 2555, 3110, 4354, 5110, 6220, 8708, 10220, 10885, 21770, 22703, 43540, 45406, 90812, 113515, 158921, 227030, 317842, 454060, 635684, 794605, 1589210, 3178420]

約数ペア:

[(1, 3178420), (2, 1589210), (4, 794605), (5, 635684), (7, 454060), (10, 317842), (14, 227030), (20, 158921), (28, 113515), (35, 90812), (70, 45406), (73, 43540), (140, 22703), (146, 21770), (292, 10885), (311, 10220), (365, 8708), (511, 6220), (622, 5110), (730, 4354), (1022, 3110), (1244, 2555), (1460, 2177), (1555, 2044)]