1612940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{281}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 3979584

約数和(自身を除く): 2366644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 281, 287, 410, 562, 574, 820, 1124, 1148, 1405, 1435, 1967, 2810, 2870, 3934, 5620, 5740, 7868, 9835, 11521, 19670, 23042, 39340, 46084, 57605, 80647, 115210, 161294, 230420, 322588, 403235, 806470, 1612940]

約数ペア:

[(1, 1612940), (2, 806470), (4, 403235), (5, 322588), (7, 230420), (10, 161294), (14, 115210), (20, 80647), (28, 57605), (35, 46084), (41, 39340), (70, 23042), (82, 19670), (140, 11521), (164, 9835), (205, 7868), (281, 5740), (287, 5620), (410, 3934), (562, 2870), (574, 2810), (820, 1967), (1124, 1435), (1148, 1405)]