490147490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{21283}}^1$

素因数の和:21351

約数の個数: 48

約数和(自身を含む): 1048194432

約数和(自身を除く): 558046942

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 49, 70, 94, 98, 235, 245, 329, 470, 490, 658, 1645, 2303, 3290, 4606, 11515, 21283, 23030, 42566, 106415, 148981, 212830, 297962, 744905, 1000301, 1042867, 1489810, 2000602, 2085734, 5001505, 5214335, 7002107, 10003010, 10428670, 14004214, 35010535, 49014749, 70021070, 98029498, 245073745, 490147490]

約数ペア:

[(1, 490147490), (2, 245073745), (5, 98029498), (7, 70021070), (10, 49014749), (14, 35010535), (35, 14004214), (47, 10428670), (49, 10003010), (70, 7002107), (94, 5214335), (98, 5001505), (235, 2085734), (245, 2000602), (329, 1489810), (470, 1042867), (490, 1000301), (658, 744905), (1645, 297962), (2303, 212830), (3290, 148981), (4606, 106415), (11515, 42566), (21283, 23030)]