201719687990

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{1879}}^1\times {\mathrm{9029}}^1$

素因数の和:10985

約数の個数: 64

約数和(自身を含む): 385024752000

約数和(自身を除く): 183305064010

約数列:

[1, 2, 5, 10, 29, 41, 58, 82, 145, 205, 290, 410, 1189, 1879, 2378, 3758, 5945, 9029, 9395, 11890, 18058, 18790, 45145, 54491, 77039, 90290, 108982, 154078, 261841, 272455, 370189, 385195, 523682, 544910, 740378, 770390, 1309205, 1850945, 2234131, 2618410, 3701890, 4468262, 10735481, 11170655, 16965491, 21470962, 22341310, 33930982, 53677405, 84827455, 107354810, 169654910, 491999239, 695585131, 983998478, 1391170262, 2459996195, 3477925655, 4919992390, 6955851310, 20171968799, 40343937598, 100859843995, 201719687990]

約数ペア:

[(1, 201719687990), (2, 100859843995), (5, 40343937598), (10, 20171968799), (29, 6955851310), (41, 4919992390), (58, 3477925655), (82, 2459996195), (145, 1391170262), (205, 983998478), (290, 695585131), (410, 491999239), (1189, 169654910), (1879, 107354810), (2378, 84827455), (3758, 53677405), (5945, 33930982), (9029, 22341310), (9395, 21470962), (11890, 16965491), (18058, 11170655), (18790, 10735481), (45145, 4468262), (54491, 3701890), (77039, 2618410), (90290, 2234131), (108982, 1850945), (154078, 1309205), (261841, 770390), (272455, 740378), (370189, 544910), (385195, 523682)]