28366977660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{67540423}}^1$

素因数の和:67540442

約数の個数: 48

約数和(自身を含む): 90774329856

約数和(自身を除く): 62407352196

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 67540423, 135080846, 202621269, 270161692, 337702115, 405242538, 472782961, 675404230, 810485076, 945565922, 1013106345, 1350808460, 1418348883, 1891131844, 2026212690, 2363914805, 2836697766, 4052425380, 4727829610, 5673395532, 7091744415, 9455659220, 14183488830, 28366977660]

約数ペア:

[(1, 28366977660), (2, 14183488830), (3, 9455659220), (4, 7091744415), (5, 5673395532), (6, 4727829610), (7, 4052425380), (10, 2836697766), (12, 2363914805), (14, 2026212690), (15, 1891131844), (20, 1418348883), (21, 1350808460), (28, 1013106345), (30, 945565922), (35, 810485076), (42, 675404230), (60, 472782961), (70, 405242538), (84, 337702115), (105, 270161692), (140, 202621269), (210, 135080846), (420, 67540423)]