4539860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{919}}^1$

素因数の和:960

約数の個数: 48

約数和(自身を含む): 10819200

約数和(自身を除く): 6279340

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 919, 988, 1235, 1838, 2470, 3676, 4595, 4940, 9190, 11947, 17461, 18380, 23894, 34922, 47788, 59735, 69844, 87305, 119470, 174610, 226993, 238940, 349220, 453986, 907972, 1134965, 2269930, 4539860]

約数ペア:

[(1, 4539860), (2, 2269930), (4, 1134965), (5, 907972), (10, 453986), (13, 349220), (19, 238940), (20, 226993), (26, 174610), (38, 119470), (52, 87305), (65, 69844), (76, 59735), (95, 47788), (130, 34922), (190, 23894), (247, 18380), (260, 17461), (380, 11947), (494, 9190), (919, 4940), (988, 4595), (1235, 3676), (1838, 2470)]