180985877425

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{389}}^1\times {\mathrm{491}}^1\times {\mathrm{1307}}^1$

素因数の和:2226

約数の個数: 48

約数和(自身を含む): 233410507200

約数和(自身を除く): 52424629775

約数列:

[1, 5, 25, 29, 145, 389, 491, 725, 1307, 1945, 2455, 6535, 9725, 11281, 12275, 14239, 32675, 37903, 56405, 71195, 189515, 190999, 282025, 355975, 508423, 641737, 947575, 954995, 2542115, 3208685, 4774975, 5538971, 12710575, 14744267, 16043425, 18610373, 27694855, 73721335, 93051865, 138474275, 249635693, 368606675, 465259325, 1248178465, 6240892325, 7239435097, 36197175485, 180985877425]

約数ペア:

[(1, 180985877425), (5, 36197175485), (25, 7239435097), (29, 6240892325), (145, 1248178465), (389, 465259325), (491, 368606675), (725, 249635693), (1307, 138474275), (1945, 93051865), (2455, 73721335), (6535, 27694855), (9725, 18610373), (11281, 16043425), (12275, 14744267), (14239, 12710575), (32675, 5538971), (37903, 4774975), (56405, 3208685), (71195, 2542115), (189515, 954995), (190999, 947575), (282025, 641737), (355975, 508423)]