4108020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{9781}}^1$

素因数の和:9800

約数の個数: 48

約数和(自身を含む): 13147008

約数和(自身を除く): 9038988

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 9781, 19562, 29343, 39124, 48905, 58686, 68467, 97810, 117372, 136934, 146715, 195620, 205401, 273868, 293430, 342335, 410802, 586860, 684670, 821604, 1027005, 1369340, 2054010, 4108020]

約数ペア:

[(1, 4108020), (2, 2054010), (3, 1369340), (4, 1027005), (5, 821604), (6, 684670), (7, 586860), (10, 410802), (12, 342335), (14, 293430), (15, 273868), (20, 205401), (21, 195620), (28, 146715), (30, 136934), (35, 117372), (42, 97810), (60, 68467), (70, 58686), (84, 48905), (105, 39124), (140, 29343), (210, 19562), (420, 9781)]