840084

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 2287488

約数和(自身を除く): 1447404

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 73, 84, 137, 146, 219, 274, 292, 411, 438, 511, 548, 822, 876, 959, 1022, 1533, 1644, 1918, 2044, 2877, 3066, 3836, 5754, 6132, 10001, 11508, 20002, 30003, 40004, 60006, 70007, 120012, 140014, 210021, 280028, 420042, 840084]

約数ペア:

[(1, 840084), (2, 420042), (3, 280028), (4, 210021), (6, 140014), (7, 120012), (12, 70007), (14, 60006), (21, 40004), (28, 30003), (42, 20002), (73, 11508), (84, 10001), (137, 6132), (146, 5754), (219, 3836), (274, 3066), (292, 2877), (411, 2044), (438, 1918), (511, 1644), (548, 1533), (822, 1022), (876, 959)]