309996990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{49919}}^1$

素因数の和:49958

約数の個数: 64

約数和(自身を含む): 862617600

約数和(自身を除く): 552620610

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 54, 69, 90, 115, 135, 138, 207, 230, 270, 345, 414, 621, 690, 1035, 1242, 2070, 3105, 6210, 49919, 99838, 149757, 249595, 299514, 449271, 499190, 748785, 898542, 1148137, 1347813, 1497570, 2246355, 2296274, 2695626, 3444411, 4492710, 5740685, 6739065, 6888822, 10333233, 11481370, 13478130, 17222055, 20666466, 30999699, 34444110, 51666165, 61999398, 103332330, 154998495, 309996990]

約数ペア:

[(1, 309996990), (2, 154998495), (3, 103332330), (5, 61999398), (6, 51666165), (9, 34444110), (10, 30999699), (15, 20666466), (18, 17222055), (23, 13478130), (27, 11481370), (30, 10333233), (45, 6888822), (46, 6739065), (54, 5740685), (69, 4492710), (90, 3444411), (115, 2695626), (135, 2296274), (138, 2246355), (207, 1497570), (230, 1347813), (270, 1148137), (345, 898542), (414, 748785), (621, 499190), (690, 449271), (1035, 299514), (1242, 249595), (2070, 149757), (3105, 99838), (6210, 49919)]