288804940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{827}}^1\times {\mathrm{919}}^1$

素因数の和:1774

約数の個数: 48

約数和(自身を含む): 639878400

約数和(自身を除く): 351073460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 827, 919, 1654, 1838, 3308, 3676, 4135, 4595, 8270, 9190, 15713, 16540, 17461, 18380, 31426, 34922, 62852, 69844, 78565, 87305, 157130, 174610, 314260, 349220, 760013, 1520026, 3040052, 3800065, 7600130, 14440247, 15200260, 28880494, 57760988, 72201235, 144402470, 288804940]

約数ペア:

[(1, 288804940), (2, 144402470), (4, 72201235), (5, 57760988), (10, 28880494), (19, 15200260), (20, 14440247), (38, 7600130), (76, 3800065), (95, 3040052), (190, 1520026), (380, 760013), (827, 349220), (919, 314260), (1654, 174610), (1838, 157130), (3308, 87305), (3676, 78565), (4135, 69844), (4595, 62852), (8270, 34922), (9190, 31426), (15713, 18380), (16540, 17461)]