90018460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{1019}}^1$

素因数の和:1666

約数の個数: 48

約数和(自身を含む): 216599040

約数和(自身を除く): 126580580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 631, 1019, 1262, 2038, 2524, 3155, 4076, 4417, 5095, 6310, 7133, 8834, 10190, 12620, 14266, 17668, 20380, 22085, 28532, 35665, 44170, 71330, 88340, 142660, 642989, 1285978, 2571956, 3214945, 4500923, 6429890, 9001846, 12859780, 18003692, 22504615, 45009230, 90018460]

約数ペア:

[(1, 90018460), (2, 45009230), (4, 22504615), (5, 18003692), (7, 12859780), (10, 9001846), (14, 6429890), (20, 4500923), (28, 3214945), (35, 2571956), (70, 1285978), (140, 642989), (631, 142660), (1019, 88340), (1262, 71330), (2038, 44170), (2524, 35665), (3155, 28532), (4076, 22085), (4417, 20380), (5095, 17668), (6310, 14266), (7133, 12620), (8834, 10190)]