7143020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{281}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 15918336

約数和(自身を除く): 8775316

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 62, 82, 124, 155, 164, 205, 281, 310, 410, 562, 620, 820, 1124, 1271, 1405, 2542, 2810, 5084, 5620, 6355, 8711, 11521, 12710, 17422, 23042, 25420, 34844, 43555, 46084, 57605, 87110, 115210, 174220, 230420, 357151, 714302, 1428604, 1785755, 3571510, 7143020]

約数ペア:

[(1, 7143020), (2, 3571510), (4, 1785755), (5, 1428604), (10, 714302), (20, 357151), (31, 230420), (41, 174220), (62, 115210), (82, 87110), (124, 57605), (155, 46084), (164, 43555), (205, 34844), (281, 25420), (310, 23042), (410, 17422), (562, 12710), (620, 11521), (820, 8711), (1124, 6355), (1271, 5620), (1405, 5084), (2542, 2810)]