395220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{941}}^1$

素因数の和:960

約数の個数: 48

約数和(自身を含む): 1266048

約数和(自身を除く): 870828

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, 941, 1882, 2823, 3764, 4705, 5646, 6587, 9410, 11292, 13174, 14115, 18820, 19761, 26348, 28230, 32935, 39522, 56460, 65870, 79044, 98805, 131740, 197610, 395220]

約数ペア:

[(1, 395220), (2, 197610), (3, 131740), (4, 98805), (5, 79044), (6, 65870), (7, 56460), (10, 39522), (12, 32935), (14, 28230), (15, 26348), (20, 19761), (21, 18820), (28, 14115), (30, 13174), (35, 11292), (42, 9410), (60, 6587), (70, 5646), (84, 4705), (105, 3764), (140, 2823), (210, 1882), (420, 941)]