687303980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{52951}}^1$

素因数の和:53030

約数の個数: 48

約数和(自身を含む): 1601268480

約数和(自身を除く): 913964500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 220, 236, 295, 590, 649, 1180, 1298, 2596, 3245, 6490, 12980, 52951, 105902, 211804, 264755, 529510, 582461, 1059020, 1164922, 2329844, 2912305, 3124109, 5824610, 6248218, 11649220, 12496436, 15620545, 31241090, 34365199, 62482180, 68730398, 137460796, 171825995, 343651990, 687303980]

約数ペア:

[(1, 687303980), (2, 343651990), (4, 171825995), (5, 137460796), (10, 68730398), (11, 62482180), (20, 34365199), (22, 31241090), (44, 15620545), (55, 12496436), (59, 11649220), (110, 6248218), (118, 5824610), (220, 3124109), (236, 2912305), (295, 2329844), (590, 1164922), (649, 1059020), (1180, 582461), (1298, 529510), (2596, 264755), (3245, 211804), (6490, 105902), (12980, 52951)]