408048580

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{2887}}^1$

素因数の和:3124

約数の個数: 48

約数和(自身を含む): 884975616

約数和(自身を除く): 476927036

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 191, 370, 382, 740, 764, 955, 1910, 2887, 3820, 5774, 7067, 11548, 14134, 14435, 28268, 28870, 35335, 57740, 70670, 106819, 141340, 213638, 427276, 534095, 551417, 1068190, 1102834, 2136380, 2205668, 2757085, 5514170, 11028340, 20402429, 40804858, 81609716, 102012145, 204024290, 408048580]

約数ペア:

[(1, 408048580), (2, 204024290), (4, 102012145), (5, 81609716), (10, 40804858), (20, 20402429), (37, 11028340), (74, 5514170), (148, 2757085), (185, 2205668), (191, 2136380), (370, 1102834), (382, 1068190), (740, 551417), (764, 534095), (955, 427276), (1910, 213638), (2887, 141340), (3820, 106819), (5774, 70670), (7067, 57740), (11548, 35335), (14134, 28870), (14435, 28268)]