90404580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{215249}}^1$

素因数の和:215268

約数の個数: 48

約数和(自身を含む): 289296000

約数和(自身を除く): 198891420

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, 215249, 430498, 645747, 860996, 1076245, 1291494, 1506743, 2152490, 2582988, 3013486, 3228735, 4304980, 4520229, 6026972, 6457470, 7533715, 9040458, 12914940, 15067430, 18080916, 22601145, 30134860, 45202290, 90404580]

約数ペア:

[(1, 90404580), (2, 45202290), (3, 30134860), (4, 22601145), (5, 18080916), (6, 15067430), (7, 12914940), (10, 9040458), (12, 7533715), (14, 6457470), (15, 6026972), (20, 4520229), (21, 4304980), (28, 3228735), (30, 3013486), (35, 2582988), (42, 2152490), (60, 1506743), (70, 1291494), (84, 1076245), (105, 860996), (140, 645747), (210, 430498), (420, 215249)]