290707340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{131}}^2$

素因数の和:300

約数の個数: 108

約数和(自身を含む): 772789584

約数和(自身を除く): 482082244

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 131, 140, 154, 220, 242, 262, 308, 385, 484, 524, 605, 655, 770, 847, 917, 1210, 1310, 1441, 1540, 1694, 1834, 2420, 2620, 2882, 3388, 3668, 4235, 4585, 5764, 7205, 8470, 9170, 10087, 14410, 15851, 16940, 17161, 18340, 20174, 28820, 31702, 34322, 40348, 50435, 63404, 68644, 79255, 85805, 100870, 110957, 120127, 158510, 171610, 188771, 201740, 221914, 240254, 317020, 343220, 377542, 443828, 480508, 554785, 600635, 755084, 943855, 1109570, 1201270, 1321397, 1887710, 2076481, 2219140, 2402540, 2642794, 3775420, 4152962, 5285588, 6606985, 8305924, 10382405, 13213970, 14535367, 20764810, 26427940, 29070734, 41529620, 58141468, 72676835, 145353670, 290707340]

約数ペア:

[(1, 290707340), (2, 145353670), (4, 72676835), (5, 58141468), (7, 41529620), (10, 29070734), (11, 26427940), (14, 20764810), (20, 14535367), (22, 13213970), (28, 10382405), (35, 8305924), (44, 6606985), (55, 5285588), (70, 4152962), (77, 3775420), (110, 2642794), (121, 2402540), (131, 2219140), (140, 2076481), (154, 1887710), (220, 1321397), (242, 1201270), (262, 1109570), (308, 943855), (385, 755084), (484, 600635), (524, 554785), (605, 480508), (655, 443828), (770, 377542), (847, 343220), (917, 317020), (1210, 240254), (1310, 221914), (1441, 201740), (1540, 188771), (1694, 171610), (1834, 158510), (2420, 120127), (2620, 110957), (2882, 100870), (3388, 85805), (3668, 79255), (4235, 68644), (4585, 63404), (5764, 50435), (7205, 40348), (8470, 34322), (9170, 31702), (10087, 28820), (14410, 20174), (15851, 18340), (16940, 17161)]