219215710

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{631}}^1\times {\mathrm{709}}^1$

素因数の和:1361

約数の個数: 48

約数和(自身を含む): 460386720

約数和(自身を除く): 241171010

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 631, 709, 1262, 1418, 3155, 3545, 4417, 4963, 6310, 7090, 8834, 9926, 22085, 24815, 30919, 34741, 44170, 49630, 61838, 69482, 154595, 173705, 309190, 347410, 447379, 894758, 2236895, 3131653, 4473790, 6263306, 15658265, 21921571, 31316530, 43843142, 109607855, 219215710]

約数ペア:

[(1, 219215710), (2, 109607855), (5, 43843142), (7, 31316530), (10, 21921571), (14, 15658265), (35, 6263306), (49, 4473790), (70, 3131653), (98, 2236895), (245, 894758), (490, 447379), (631, 347410), (709, 309190), (1262, 173705), (1418, 154595), (3155, 69482), (3545, 61838), (4417, 49630), (4963, 44170), (6310, 34741), (7090, 30919), (8834, 24815), (9926, 22085)]