205410216

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1321}}^1$

素因数の和:1391

約数の個数: 128

約数和(自身を含む): 609177600

約数和(自身を除く): 403767384

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 19, 22, 24, 31, 33, 38, 44, 57, 62, 66, 76, 88, 93, 114, 124, 132, 152, 186, 209, 228, 248, 264, 341, 372, 418, 456, 589, 627, 682, 744, 836, 1023, 1178, 1254, 1321, 1364, 1672, 1767, 2046, 2356, 2508, 2642, 2728, 3534, 3963, 4092, 4712, 5016, 5284, 6479, 7068, 7926, 8184, 10568, 12958, 14136, 14531, 15852, 19437, 25099, 25916, 29062, 31704, 38874, 40951, 43593, 50198, 51832, 58124, 75297, 77748, 81902, 87186, 100396, 116248, 122853, 150594, 155496, 163804, 174372, 200792, 245706, 276089, 301188, 327608, 348744, 450461, 491412, 552178, 602376, 778069, 828267, 900922, 982824, 1104356, 1351383, 1556138, 1656534, 1801844, 2208712, 2334207, 2702766, 3112276, 3313068, 3603688, 4668414, 5405532, 6224552, 6626136, 8558759, 9336828, 10811064, 17117518, 18673656, 25676277, 34235036, 51352554, 68470072, 102705108, 205410216]

約数ペア:

[(1, 205410216), (2, 102705108), (3, 68470072), (4, 51352554), (6, 34235036), (8, 25676277), (11, 18673656), (12, 17117518), (19, 10811064), (22, 9336828), (24, 8558759), (31, 6626136), (33, 6224552), (38, 5405532), (44, 4668414), (57, 3603688), (62, 3313068), (66, 3112276), (76, 2702766), (88, 2334207), (93, 2208712), (114, 1801844), (124, 1656534), (132, 1556138), (152, 1351383), (186, 1104356), (209, 982824), (228, 900922), (248, 828267), (264, 778069), (341, 602376), (372, 552178), (418, 491412), (456, 450461), (589, 348744), (627, 327608), (682, 301188), (744, 276089), (836, 245706), (1023, 200792), (1178, 174372), (1254, 163804), (1321, 155496), (1364, 150594), (1672, 122853), (1767, 116248), (2046, 100396), (2356, 87186), (2508, 81902), (2642, 77748), (2728, 75297), (3534, 58124), (3963, 51832), (4092, 50198), (4712, 43593), (5016, 40951), (5284, 38874), (6479, 31704), (7068, 29062), (7926, 25916), (8184, 25099), (10568, 19437), (12958, 15852), (14136, 14531)]