31782380

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:184

約数の個数: 96

約数和(自身を含む): 80438400

約数和(自身を除く): 48656020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 113, 140, 164, 196, 205, 226, 245, 287, 343, 410, 452, 490, 565, 574, 686, 791, 820, 980, 1130, 1148, 1372, 1435, 1582, 1715, 2009, 2260, 2870, 3164, 3430, 3955, 4018, 4633, 5537, 5740, 6860, 7910, 8036, 9266, 10045, 11074, 14063, 15820, 18532, 20090, 22148, 23165, 27685, 28126, 32431, 38759, 40180, 46330, 55370, 56252, 64862, 70315, 77518, 92660, 110740, 129724, 140630, 155036, 162155, 193795, 227017, 281260, 324310, 387590, 454034, 648620, 775180, 908068, 1135085, 1589119, 2270170, 3178238, 4540340, 6356476, 7945595, 15891190, 31782380]

約数ペア:

[(1, 31782380), (2, 15891190), (4, 7945595), (5, 6356476), (7, 4540340), (10, 3178238), (14, 2270170), (20, 1589119), (28, 1135085), (35, 908068), (41, 775180), (49, 648620), (70, 454034), (82, 387590), (98, 324310), (113, 281260), (140, 227017), (164, 193795), (196, 162155), (205, 155036), (226, 140630), (245, 129724), (287, 110740), (343, 92660), (410, 77518), (452, 70315), (490, 64862), (565, 56252), (574, 55370), (686, 46330), (791, 40180), (820, 38759), (980, 32431), (1130, 28126), (1148, 27685), (1372, 23165), (1435, 22148), (1582, 20090), (1715, 18532), (2009, 15820), (2260, 14063), (2870, 11074), (3164, 10045), (3430, 9266), (3955, 8036), (4018, 7910), (4633, 6860), (5537, 5740)]