79817380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{1297}}^1$

素因数の和:1504

約数の個数: 48

約数和(自身を含む): 178594416

約数和(自身を除く): 98777036

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 181, 340, 362, 724, 905, 1297, 1810, 2594, 3077, 3620, 5188, 6154, 6485, 12308, 12970, 15385, 22049, 25940, 30770, 44098, 61540, 88196, 110245, 220490, 234757, 440980, 469514, 939028, 1173785, 2347570, 3990869, 4695140, 7981738, 15963476, 19954345, 39908690, 79817380]

約数ペア:

[(1, 79817380), (2, 39908690), (4, 19954345), (5, 15963476), (10, 7981738), (17, 4695140), (20, 3990869), (34, 2347570), (68, 1173785), (85, 939028), (170, 469514), (181, 440980), (340, 234757), (362, 220490), (724, 110245), (905, 88196), (1297, 61540), (1810, 44098), (2594, 30770), (3077, 25940), (3620, 22049), (5188, 15385), (6154, 12970), (6485, 12308)]