421418620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{430019}}^1$

素因数の和:430042

約数の個数: 36

約数和(自身を含む): 1029467880

約数和(自身を除く): 608049260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 430019, 860038, 1720076, 2150095, 3010133, 4300190, 6020266, 8600380, 12040532, 15050665, 21070931, 30101330, 42141862, 60202660, 84283724, 105354655, 210709310, 421418620]

約数ペア:

[(1, 421418620), (2, 210709310), (4, 105354655), (5, 84283724), (7, 60202660), (10, 42141862), (14, 30101330), (20, 21070931), (28, 15050665), (35, 12040532), (49, 8600380), (70, 6020266), (98, 4300190), (140, 3010133), (196, 2150095), (245, 1720076), (490, 860038), (980, 430019)]