201520088

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:289

約数の個数: 128

約数和(自身を含む): 497111040

約数和(自身を除く): 295590952

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 31, 44, 56, 61, 62, 77, 88, 122, 124, 154, 173, 217, 244, 248, 308, 341, 346, 427, 434, 488, 616, 671, 682, 692, 854, 868, 1211, 1342, 1364, 1384, 1708, 1736, 1891, 1903, 2387, 2422, 2684, 2728, 3416, 3782, 3806, 4697, 4774, 4844, 5363, 5368, 7564, 7612, 9394, 9548, 9688, 10553, 10726, 13237, 13321, 15128, 15224, 18788, 19096, 20801, 21106, 21452, 26474, 26642, 37541, 37576, 41602, 42212, 42904, 52948, 53284, 58993, 73871, 75082, 83204, 84424, 105896, 106568, 116083, 117986, 145607, 147742, 150164, 166408, 232166, 235972, 291214, 295484, 300328, 327143, 412951, 464332, 471944, 582428, 590968, 654286, 812581, 825902, 928664, 1164856, 1308572, 1625162, 1651804, 2290001, 2617144, 3250324, 3303608, 3598573, 4580002, 6500648, 7197146, 9160004, 14394292, 18320008, 25190011, 28788584, 50380022, 100760044, 201520088]

約数ペア:

[(1, 201520088), (2, 100760044), (4, 50380022), (7, 28788584), (8, 25190011), (11, 18320008), (14, 14394292), (22, 9160004), (28, 7197146), (31, 6500648), (44, 4580002), (56, 3598573), (61, 3303608), (62, 3250324), (77, 2617144), (88, 2290001), (122, 1651804), (124, 1625162), (154, 1308572), (173, 1164856), (217, 928664), (244, 825902), (248, 812581), (308, 654286), (341, 590968), (346, 582428), (427, 471944), (434, 464332), (488, 412951), (616, 327143), (671, 300328), (682, 295484), (692, 291214), (854, 235972), (868, 232166), (1211, 166408), (1342, 150164), (1364, 147742), (1384, 145607), (1708, 117986), (1736, 116083), (1891, 106568), (1903, 105896), (2387, 84424), (2422, 83204), (2684, 75082), (2728, 73871), (3416, 58993), (3782, 53284), (3806, 52948), (4697, 42904), (4774, 42212), (4844, 41602), (5363, 37576), (5368, 37541), (7564, 26642), (7612, 26474), (9394, 21452), (9548, 21106), (9688, 20801), (10553, 19096), (10726, 18788), (13237, 15224), (13321, 15128)]