1681820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{293}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 4148928

約数和(自身を除く): 2467108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 293, 410, 574, 586, 820, 1148, 1172, 1435, 1465, 2051, 2870, 2930, 4102, 5740, 5860, 8204, 10255, 12013, 20510, 24026, 41020, 48052, 60065, 84091, 120130, 168182, 240260, 336364, 420455, 840910, 1681820]

約数ペア:

[(1, 1681820), (2, 840910), (4, 420455), (5, 336364), (7, 240260), (10, 168182), (14, 120130), (20, 84091), (28, 60065), (35, 48052), (41, 41020), (70, 24026), (82, 20510), (140, 12013), (164, 10255), (205, 8204), (287, 5860), (293, 5740), (410, 4102), (574, 2930), (586, 2870), (820, 2051), (1148, 1465), (1172, 1435)]