217157080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{40819}}^1$

素因数の和:40856

約数の個数: 64

約数和(自身を含む): 587808000

約数和(自身を除く): 370650920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 40819, 81638, 163276, 204095, 285733, 326552, 408190, 571466, 775561, 816380, 1142932, 1428665, 1551122, 1632760, 2285864, 2857330, 3102244, 3877805, 5428927, 5714660, 6204488, 7755610, 10857854, 11429320, 15511220, 21715708, 27144635, 31022440, 43431416, 54289270, 108578540, 217157080]

約数ペア:

[(1, 217157080), (2, 108578540), (4, 54289270), (5, 43431416), (7, 31022440), (8, 27144635), (10, 21715708), (14, 15511220), (19, 11429320), (20, 10857854), (28, 7755610), (35, 6204488), (38, 5714660), (40, 5428927), (56, 3877805), (70, 3102244), (76, 2857330), (95, 2285864), (133, 1632760), (140, 1551122), (152, 1428665), (190, 1142932), (266, 816380), (280, 775561), (380, 571466), (532, 408190), (665, 326552), (760, 285733), (1064, 204095), (1330, 163276), (2660, 81638), (5320, 40819)]