207834140

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1\times {\mathrm{719}}^1$

素因数の和:974

約数の個数: 48

約数和(自身を含む): 444528000

約数和(自身を除く): 236693860

約数列:

[1, 2, 4, 5, 10, 20, 97, 149, 194, 298, 388, 485, 596, 719, 745, 970, 1438, 1490, 1940, 2876, 2980, 3595, 7190, 14380, 14453, 28906, 57812, 69743, 72265, 107131, 139486, 144530, 214262, 278972, 289060, 348715, 428524, 535655, 697430, 1071310, 1394860, 2142620, 10391707, 20783414, 41566828, 51958535, 103917070, 207834140]

約数ペア:

[(1, 207834140), (2, 103917070), (4, 51958535), (5, 41566828), (10, 20783414), (20, 10391707), (97, 2142620), (149, 1394860), (194, 1071310), (298, 697430), (388, 535655), (485, 428524), (596, 348715), (719, 289060), (745, 278972), (970, 214262), (1438, 144530), (1490, 139486), (1940, 107131), (2876, 72265), (2980, 69743), (3595, 57812), (7190, 28906), (14380, 14453)]