289795880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{751}}^1\times {\mathrm{877}}^1$

素因数の和:1650

約数の個数: 64

約数和(自身を含む): 713076480

約数和(自身を除く): 423280600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 751, 877, 1502, 1754, 3004, 3508, 3755, 4385, 6008, 7016, 7510, 8261, 8770, 9647, 15020, 16522, 17540, 19294, 30040, 33044, 35080, 38588, 41305, 48235, 66088, 77176, 82610, 96470, 165220, 192940, 330440, 385880, 658627, 1317254, 2634508, 3293135, 5269016, 6586270, 7244897, 13172540, 14489794, 26345080, 28979588, 36224485, 57959176, 72448970, 144897940, 289795880]

約数ペア:

[(1, 289795880), (2, 144897940), (4, 72448970), (5, 57959176), (8, 36224485), (10, 28979588), (11, 26345080), (20, 14489794), (22, 13172540), (40, 7244897), (44, 6586270), (55, 5269016), (88, 3293135), (110, 2634508), (220, 1317254), (440, 658627), (751, 385880), (877, 330440), (1502, 192940), (1754, 165220), (3004, 96470), (3508, 82610), (3755, 77176), (4385, 66088), (6008, 48235), (7016, 41305), (7510, 38588), (8261, 35080), (8770, 33044), (9647, 30040), (15020, 19294), (16522, 17540)]