388231760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{761}}^1\times {\mathrm{911}}^1$

素因数の和:1692

約数の個数: 80

約数和(自身を含む): 1034076672

約数和(自身を除く): 645844912

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 761, 911, 1522, 1822, 3044, 3644, 3805, 4555, 5327, 6088, 6377, 7288, 7610, 9110, 10654, 12176, 12754, 14576, 15220, 18220, 21308, 25508, 26635, 30440, 31885, 36440, 42616, 51016, 53270, 60880, 63770, 72880, 85232, 102032, 106540, 127540, 213080, 255080, 426160, 510160, 693271, 1386542, 2773084, 3466355, 4852897, 5546168, 6932710, 9705794, 11092336, 13865420, 19411588, 24264485, 27730840, 38823176, 48528970, 55461680, 77646352, 97057940, 194115880, 388231760]

約数ペア:

[(1, 388231760), (2, 194115880), (4, 97057940), (5, 77646352), (7, 55461680), (8, 48528970), (10, 38823176), (14, 27730840), (16, 24264485), (20, 19411588), (28, 13865420), (35, 11092336), (40, 9705794), (56, 6932710), (70, 5546168), (80, 4852897), (112, 3466355), (140, 2773084), (280, 1386542), (560, 693271), (761, 510160), (911, 426160), (1522, 255080), (1822, 213080), (3044, 127540), (3644, 106540), (3805, 102032), (4555, 85232), (5327, 72880), (6088, 63770), (6377, 60880), (7288, 53270), (7610, 51016), (9110, 42616), (10654, 36440), (12176, 31885), (12754, 30440), (14576, 26635), (15220, 25508), (18220, 21308)]