1888419540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{751}}^1\times {\mathrm{5987}}^1$

素因数の和:6757

約数の個数: 96

約数和(自身を含む): 6051999744

約数和(自身を除く): 4163580204

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 751, 1502, 2253, 3004, 3755, 4506, 5257, 5987, 7510, 9012, 10514, 11265, 11974, 15020, 15771, 17961, 21028, 22530, 23948, 26285, 29935, 31542, 35922, 41909, 45060, 52570, 59870, 63084, 71844, 78855, 83818, 89805, 105140, 119740, 125727, 157710, 167636, 179610, 209545, 251454, 315420, 359220, 419090, 502908, 628635, 838180, 1257270, 2514540, 4496237, 8992474, 13488711, 17984948, 22481185, 26977422, 31473659, 44962370, 53954844, 62947318, 67443555, 89924740, 94420977, 125894636, 134887110, 157368295, 188841954, 269774220, 314736590, 377683908, 472104885, 629473180, 944209770, 1888419540]

約数ペア:

[(1, 1888419540), (2, 944209770), (3, 629473180), (4, 472104885), (5, 377683908), (6, 314736590), (7, 269774220), (10, 188841954), (12, 157368295), (14, 134887110), (15, 125894636), (20, 94420977), (21, 89924740), (28, 67443555), (30, 62947318), (35, 53954844), (42, 44962370), (60, 31473659), (70, 26977422), (84, 22481185), (105, 17984948), (140, 13488711), (210, 8992474), (420, 4496237), (751, 2514540), (1502, 1257270), (2253, 838180), (3004, 628635), (3755, 502908), (4506, 419090), (5257, 359220), (5987, 315420), (7510, 251454), (9012, 209545), (10514, 179610), (11265, 167636), (11974, 157710), (15020, 125727), (15771, 119740), (17961, 105140), (21028, 89805), (22530, 83818), (23948, 78855), (26285, 71844), (29935, 63084), (31542, 59870), (35922, 52570), (41909, 45060)]