218365060

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{1831}}^1$

素因数の和:1996

約数の個数: 48

約数和(自身を含む): 470897280

約数和(自身を除く): 252532220

約数列:

[1, 2, 4, 5, 10, 20, 67, 89, 134, 178, 268, 335, 356, 445, 670, 890, 1340, 1780, 1831, 3662, 5963, 7324, 9155, 11926, 18310, 23852, 29815, 36620, 59630, 119260, 122677, 162959, 245354, 325918, 490708, 613385, 651836, 814795, 1226770, 1629590, 2453540, 3259180, 10918253, 21836506, 43673012, 54591265, 109182530, 218365060]

約数ペア:

[(1, 218365060), (2, 109182530), (4, 54591265), (5, 43673012), (10, 21836506), (20, 10918253), (67, 3259180), (89, 2453540), (134, 1629590), (178, 1226770), (268, 814795), (335, 651836), (356, 613385), (445, 490708), (670, 325918), (890, 245354), (1340, 162959), (1780, 122677), (1831, 119260), (3662, 59630), (5963, 36620), (7324, 29815), (9155, 23852), (11926, 18310)]