2388820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{151}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 5822208

約数和(自身を除く): 3433388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 140, 151, 226, 302, 452, 565, 604, 755, 791, 1057, 1130, 1510, 1582, 2114, 2260, 3020, 3164, 3955, 4228, 5285, 7910, 10570, 15820, 17063, 21140, 34126, 68252, 85315, 119441, 170630, 238882, 341260, 477764, 597205, 1194410, 2388820]

約数ペア:

[(1, 2388820), (2, 1194410), (4, 597205), (5, 477764), (7, 341260), (10, 238882), (14, 170630), (20, 119441), (28, 85315), (35, 68252), (70, 34126), (113, 21140), (140, 17063), (151, 15820), (226, 10570), (302, 7910), (452, 5285), (565, 4228), (604, 3955), (755, 3164), (791, 3020), (1057, 2260), (1130, 2114), (1510, 1582)]