290166188540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1\times {\mathrm{90121}}^1$

素因数の和:90415

約数の個数: 96

約数和(自身を含む): 661639675200

約数和(自身を除く): 371473486660

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 229, 370, 380, 458, 703, 740, 916, 1145, 1406, 2290, 2812, 3515, 4351, 4580, 7030, 8473, 8702, 14060, 16946, 17404, 21755, 33892, 42365, 43510, 84730, 87020, 90121, 160987, 169460, 180242, 321974, 360484, 450605, 643948, 804935, 901210, 1609870, 1712299, 1802420, 3219740, 3334477, 3424598, 6668954, 6849196, 8561495, 13337908, 16672385, 17122990, 20637709, 33344770, 34245980, 41275418, 63355063, 66689540, 82550836, 103188545, 126710126, 206377090, 253420252, 316775315, 392116471, 412754180, 633550630, 763595233, 784232942, 1267101260, 1527190466, 1568465884, 1960582355, 3054380932, 3817976165, 3921164710, 7635952330, 7842329420, 14508309427, 15271904660, 29016618854, 58033237708, 72541547135, 145083094270, 290166188540]

約数ペア:

[(1, 290166188540), (2, 145083094270), (4, 72541547135), (5, 58033237708), (10, 29016618854), (19, 15271904660), (20, 14508309427), (37, 7842329420), (38, 7635952330), (74, 3921164710), (76, 3817976165), (95, 3054380932), (148, 1960582355), (185, 1568465884), (190, 1527190466), (229, 1267101260), (370, 784232942), (380, 763595233), (458, 633550630), (703, 412754180), (740, 392116471), (916, 316775315), (1145, 253420252), (1406, 206377090), (2290, 126710126), (2812, 103188545), (3515, 82550836), (4351, 66689540), (4580, 63355063), (7030, 41275418), (8473, 34245980), (8702, 33344770), (14060, 20637709), (16946, 17122990), (17404, 16672385), (21755, 13337908), (33892, 8561495), (42365, 6849196), (43510, 6668954), (84730, 3424598), (87020, 3334477), (90121, 3219740), (160987, 1802420), (169460, 1712299), (180242, 1609870), (321974, 901210), (360484, 804935), (450605, 643948)]