87754870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{311}}^1$

素因数の和:493

約数の個数: 64

約数和(自身を含む): 188697600

約数和(自身を除く): 100942730

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 139, 145, 203, 278, 290, 311, 406, 622, 695, 973, 1015, 1390, 1555, 1946, 2030, 2177, 3110, 4031, 4354, 4865, 8062, 9019, 9730, 10885, 18038, 20155, 21770, 28217, 40310, 43229, 45095, 56434, 63133, 86458, 90190, 126266, 141085, 216145, 282170, 302603, 315665, 432290, 605206, 631330, 1253641, 1513015, 2507282, 3026030, 6268205, 8775487, 12536410, 17550974, 43877435, 87754870]

約数ペア:

[(1, 87754870), (2, 43877435), (5, 17550974), (7, 12536410), (10, 8775487), (14, 6268205), (29, 3026030), (35, 2507282), (58, 1513015), (70, 1253641), (139, 631330), (145, 605206), (203, 432290), (278, 315665), (290, 302603), (311, 282170), (406, 216145), (622, 141085), (695, 126266), (973, 90190), (1015, 86458), (1390, 63133), (1555, 56434), (1946, 45095), (2030, 43229), (2177, 40310), (3110, 28217), (4031, 21770), (4354, 20155), (4865, 18038), (8062, 10885), (9019, 9730)]