87890270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{193}}^1$

素因数の和:357

約数の個数: 64

約数和(自身を含む): 178343424

約数和(自身を除く): 90453154

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 113, 130, 155, 193, 226, 310, 386, 403, 565, 806, 965, 1130, 1469, 1930, 2015, 2509, 2938, 3503, 4030, 5018, 5983, 7006, 7345, 11966, 12545, 14690, 17515, 21809, 25090, 29915, 35030, 43618, 45539, 59830, 77779, 91078, 109045, 155558, 218090, 227695, 283517, 388895, 455390, 567034, 676079, 777790, 1352158, 1417585, 2835170, 3380395, 6760790, 8789027, 17578054, 43945135, 87890270]

約数ペア:

[(1, 87890270), (2, 43945135), (5, 17578054), (10, 8789027), (13, 6760790), (26, 3380395), (31, 2835170), (62, 1417585), (65, 1352158), (113, 777790), (130, 676079), (155, 567034), (193, 455390), (226, 388895), (310, 283517), (386, 227695), (403, 218090), (565, 155558), (806, 109045), (965, 91078), (1130, 77779), (1469, 59830), (1930, 45539), (2015, 43618), (2509, 35030), (2938, 29915), (3503, 25090), (4030, 21809), (5018, 17515), (5983, 14690), (7006, 12545), (7345, 11966)]