210399728

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{787}}^1$

素因数の和:851

約数の個数: 120

約数和(自身を含む): 534680064

約数和(自身を除く): 324280336

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 44, 49, 56, 62, 77, 88, 98, 112, 124, 154, 176, 196, 217, 248, 308, 341, 392, 434, 496, 539, 616, 682, 784, 787, 868, 1078, 1232, 1364, 1519, 1574, 1736, 2156, 2387, 2728, 3038, 3148, 3472, 4312, 4774, 5456, 5509, 6076, 6296, 8624, 8657, 9548, 11018, 12152, 12592, 16709, 17314, 19096, 22036, 24304, 24397, 33418, 34628, 38192, 38563, 44072, 48794, 60599, 66836, 69256, 77126, 88144, 97588, 121198, 133672, 138512, 154252, 170779, 195176, 242396, 267344, 268367, 308504, 341558, 390352, 424193, 484792, 536734, 617008, 683116, 848386, 969584, 1073468, 1195453, 1366232, 1696772, 1878569, 2146936, 2390906, 2732464, 3393544, 3757138, 4293872, 4781812, 6787088, 7514276, 9563624, 13149983, 15028552, 19127248, 26299966, 30057104, 52599932, 105199864, 210399728]

約数ペア:

[(1, 210399728), (2, 105199864), (4, 52599932), (7, 30057104), (8, 26299966), (11, 19127248), (14, 15028552), (16, 13149983), (22, 9563624), (28, 7514276), (31, 6787088), (44, 4781812), (49, 4293872), (56, 3757138), (62, 3393544), (77, 2732464), (88, 2390906), (98, 2146936), (112, 1878569), (124, 1696772), (154, 1366232), (176, 1195453), (196, 1073468), (217, 969584), (248, 848386), (308, 683116), (341, 617008), (392, 536734), (434, 484792), (496, 424193), (539, 390352), (616, 341558), (682, 308504), (784, 268367), (787, 267344), (868, 242396), (1078, 195176), (1232, 170779), (1364, 154252), (1519, 138512), (1574, 133672), (1736, 121198), (2156, 97588), (2387, 88144), (2728, 77126), (3038, 69256), (3148, 66836), (3472, 60599), (4312, 48794), (4774, 44072), (5456, 38563), (5509, 38192), (6076, 34628), (6296, 33418), (8624, 24397), (8657, 24304), (9548, 22036), (11018, 19096), (12152, 17314), (12592, 16709)]