1897378510000

素因数分解:

$2^4\times 5^4\times {\mathrm{991}}^1\times {\mathrm{191461}}^1$

素因数の和:192480

約数の個数: 100

約数和(自身を含む): 4598402590144

約数和(自身を除く): 2701024080144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 991, 1000, 1250, 1982, 2000, 2500, 3964, 4955, 5000, 7928, 9910, 10000, 15856, 19820, 24775, 39640, 49550, 79280, 99100, 123875, 191461, 198200, 247750, 382922, 396400, 495500, 619375, 765844, 957305, 991000, 1238750, 1531688, 1914610, 1982000, 2477500, 3063376, 3829220, 4786525, 4955000, 7658440, 9573050, 9910000, 15316880, 19146100, 23932625, 38292200, 47865250, 76584400, 95730500, 119663125, 189737851, 191461000, 239326250, 379475702, 382922000, 478652500, 758951404, 948689255, 957305000, 1517902808, 1897378510, 1914610000, 3035805616, 3794757020, 4743446275, 7589514040, 9486892550, 15179028080, 18973785100, 23717231375, 37947570200, 47434462750, 75895140400, 94868925500, 118586156875, 189737851000, 237172313750, 379475702000, 474344627500, 948689255000, 1897378510000]

約数ペア:

[(1, 1897378510000), (2, 948689255000), (4, 474344627500), (5, 379475702000), (8, 237172313750), (10, 189737851000), (16, 118586156875), (20, 94868925500), (25, 75895140400), (40, 47434462750), (50, 37947570200), (80, 23717231375), (100, 18973785100), (125, 15179028080), (200, 9486892550), (250, 7589514040), (400, 4743446275), (500, 3794757020), (625, 3035805616), (991, 1914610000), (1000, 1897378510), (1250, 1517902808), (1982, 957305000), (2000, 948689255), (2500, 758951404), (3964, 478652500), (4955, 382922000), (5000, 379475702), (7928, 239326250), (9910, 191461000), (10000, 189737851), (15856, 119663125), (19820, 95730500), (24775, 76584400), (39640, 47865250), (49550, 38292200), (79280, 23932625), (99100, 19146100), (123875, 15316880), (191461, 9910000), (198200, 9573050), (247750, 7658440), (382922, 4955000), (396400, 4786525), (495500, 3829220), (619375, 3063376), (765844, 2477500), (957305, 1982000), (991000, 1914610), (1238750, 1531688)]