2017120430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1\times {\mathrm{997}}^1$

素因数の和:1293

約数の個数: 64

約数和(自身を含む): 3983696640

約数和(自身を除く): 1966576210

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 130, 158, 197, 394, 395, 790, 985, 997, 1027, 1970, 1994, 2054, 2561, 4985, 5122, 5135, 9970, 10270, 12805, 12961, 15563, 25610, 25922, 31126, 64805, 77815, 78763, 129610, 155630, 157526, 196409, 202319, 392818, 393815, 404638, 787630, 982045, 1011595, 1023919, 1964090, 2023190, 2047838, 2553317, 5106634, 5119595, 10239190, 12766585, 15516311, 25533170, 31032622, 77581555, 155163110, 201712043, 403424086, 1008560215, 2017120430]

約数ペア:

[(1, 2017120430), (2, 1008560215), (5, 403424086), (10, 201712043), (13, 155163110), (26, 77581555), (65, 31032622), (79, 25533170), (130, 15516311), (158, 12766585), (197, 10239190), (394, 5119595), (395, 5106634), (790, 2553317), (985, 2047838), (997, 2023190), (1027, 1964090), (1970, 1023919), (1994, 1011595), (2054, 982045), (2561, 787630), (4985, 404638), (5122, 393815), (5135, 392818), (9970, 202319), (10270, 196409), (12805, 157526), (12961, 155630), (15563, 129610), (25610, 78763), (25922, 77815), (31126, 64805)]