399192360

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{475229}}^1$

素因数の和:475250

約数の個数: 64

約数和(自身を含む): 1368662400

約数和(自身を除く): 969470040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 475229, 950458, 1425687, 1900916, 2376145, 2851374, 3326603, 3801832, 4752290, 5702748, 6653206, 7128435, 9504580, 9979809, 11405496, 13306412, 14256870, 16633015, 19009160, 19959618, 26612824, 28513740, 33266030, 39919236, 49899045, 57027480, 66532060, 79838472, 99798090, 133064120, 199596180, 399192360]

約数ペア:

[(1, 399192360), (2, 199596180), (3, 133064120), (4, 99798090), (5, 79838472), (6, 66532060), (7, 57027480), (8, 49899045), (10, 39919236), (12, 33266030), (14, 28513740), (15, 26612824), (20, 19959618), (21, 19009160), (24, 16633015), (28, 14256870), (30, 13306412), (35, 11405496), (40, 9979809), (42, 9504580), (56, 7128435), (60, 6653206), (70, 5702748), (84, 4752290), (105, 3801832), (120, 3326603), (140, 2851374), (168, 2376145), (210, 1900916), (280, 1425687), (420, 950458), (840, 475229)]