2639420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1109}}^1$

素因数の和:1142

約数の個数: 48

約数和(自身を含む): 6713280

約数和(自身を除く): 4073860

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1109, 1190, 2218, 2380, 4436, 5545, 7763, 11090, 15526, 18853, 22180, 31052, 37706, 38815, 75412, 77630, 94265, 131971, 155260, 188530, 263942, 377060, 527884, 659855, 1319710, 2639420]

約数ペア:

[(1, 2639420), (2, 1319710), (4, 659855), (5, 527884), (7, 377060), (10, 263942), (14, 188530), (17, 155260), (20, 131971), (28, 94265), (34, 77630), (35, 75412), (68, 38815), (70, 37706), (85, 31052), (119, 22180), (140, 18853), (170, 15526), (238, 11090), (340, 7763), (476, 5545), (595, 4436), (1109, 2380), (1190, 2218)]