1999976940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{284897}}^1$

素因数の和:284928

約数の個数: 96

約数和(自身を含む): 6700800960

約数和(自身を除く): 4700824020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 180, 195, 234, 260, 270, 351, 390, 468, 540, 585, 702, 780, 1170, 1404, 1755, 2340, 3510, 7020, 284897, 569794, 854691, 1139588, 1424485, 1709382, 2564073, 2848970, 3418764, 3703661, 4273455, 5128146, 5697940, 7407322, 7692219, 8546910, 10256292, 11110983, 12820365, 14814644, 15384438, 17093820, 18518305, 22221966, 25640730, 30768876, 33332949, 37036610, 38461095, 44443932, 51281460, 55554915, 66665898, 74073220, 76922190, 99998847, 111109830, 133331796, 153844380, 166664745, 199997694, 222219660, 333329490, 399995388, 499994235, 666658980, 999988470, 1999976940]

約数ペア:

[(1, 1999976940), (2, 999988470), (3, 666658980), (4, 499994235), (5, 399995388), (6, 333329490), (9, 222219660), (10, 199997694), (12, 166664745), (13, 153844380), (15, 133331796), (18, 111109830), (20, 99998847), (26, 76922190), (27, 74073220), (30, 66665898), (36, 55554915), (39, 51281460), (45, 44443932), (52, 38461095), (54, 37036610), (60, 33332949), (65, 30768876), (78, 25640730), (90, 22221966), (108, 18518305), (117, 17093820), (130, 15384438), (135, 14814644), (156, 12820365), (180, 11110983), (195, 10256292), (234, 8546910), (260, 7692219), (270, 7407322), (351, 5697940), (390, 5128146), (468, 4273455), (540, 3703661), (585, 3418764), (702, 2848970), (780, 2564073), (1170, 1709382), (1404, 1424485), (1755, 1139588), (2340, 854691), (3510, 569794), (7020, 284897)]