85209740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{55331}}^1$

素因数の和:55358

約数の個数: 48

約数和(自身を含む): 223098624

約数和(自身を除く): 137888884

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 55331, 110662, 221324, 276655, 387317, 553310, 608641, 774634, 1106620, 1217282, 1549268, 1936585, 2434564, 3043205, 3873170, 4260487, 6086410, 7746340, 8520974, 12172820, 17041948, 21302435, 42604870, 85209740]

約数ペア:

[(1, 85209740), (2, 42604870), (4, 21302435), (5, 17041948), (7, 12172820), (10, 8520974), (11, 7746340), (14, 6086410), (20, 4260487), (22, 3873170), (28, 3043205), (35, 2434564), (44, 1936585), (55, 1549268), (70, 1217282), (77, 1106620), (110, 774634), (140, 608641), (154, 553310), (220, 387317), (308, 276655), (385, 221324), (770, 110662), (1540, 55331)]