390419260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{36217}}^1$

素因数の和:36251

約数の個数: 72

約数和(自身を含む): 1040470704

約数和(自身を除く): 650051444

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 10780, 36217, 72434, 144868, 181085, 253519, 362170, 398387, 507038, 724340, 796774, 1014076, 1267595, 1593548, 1774633, 1991935, 2535190, 2788709, 3549266, 3983870, 5070380, 5577418, 7098532, 7967740, 8873165, 11154836, 13943545, 17746330, 19520963, 27887090, 35492660, 39041926, 55774180, 78083852, 97604815, 195209630, 390419260]

約数ペア:

[(1, 390419260), (2, 195209630), (4, 97604815), (5, 78083852), (7, 55774180), (10, 39041926), (11, 35492660), (14, 27887090), (20, 19520963), (22, 17746330), (28, 13943545), (35, 11154836), (44, 8873165), (49, 7967740), (55, 7098532), (70, 5577418), (77, 5070380), (98, 3983870), (110, 3549266), (140, 2788709), (154, 2535190), (196, 1991935), (220, 1774633), (245, 1593548), (308, 1267595), (385, 1014076), (490, 796774), (539, 724340), (770, 507038), (980, 398387), (1078, 362170), (1540, 253519), (2156, 181085), (2695, 144868), (5390, 72434), (10780, 36217)]