4628780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{937}}^1$

素因数の和:978

約数の個数: 48

約数和(自身を含む): 11030880

約数和(自身を除く): 6402100

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 937, 988, 1235, 1874, 2470, 3748, 4685, 4940, 9370, 12181, 17803, 18740, 24362, 35606, 48724, 60905, 71212, 89015, 121810, 178030, 231439, 243620, 356060, 462878, 925756, 1157195, 2314390, 4628780]

約数ペア:

[(1, 4628780), (2, 2314390), (4, 1157195), (5, 925756), (10, 462878), (13, 356060), (19, 243620), (20, 231439), (26, 178030), (38, 121810), (52, 89015), (65, 71212), (76, 60905), (95, 48724), (130, 35606), (190, 24362), (247, 18740), (260, 17803), (380, 12181), (494, 9370), (937, 4940), (988, 4685), (1235, 3748), (1874, 2470)]