208252940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:208

約数の個数: 144

約数和(自身を含む): 535719744

約数和(自身を除く): 327466804

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 71, 73, 82, 98, 140, 142, 146, 164, 196, 205, 245, 284, 287, 292, 355, 365, 410, 490, 497, 511, 574, 710, 730, 820, 980, 994, 1022, 1148, 1420, 1435, 1460, 1988, 2009, 2044, 2485, 2555, 2870, 2911, 2993, 3479, 3577, 4018, 4970, 5110, 5183, 5740, 5822, 5986, 6958, 7154, 8036, 9940, 10045, 10220, 10366, 11644, 11972, 13916, 14308, 14555, 14965, 17395, 17885, 20090, 20377, 20732, 20951, 25915, 29110, 29930, 34790, 35770, 36281, 40180, 40754, 41902, 51830, 58220, 59860, 69580, 71540, 72562, 81508, 83804, 101885, 103660, 104755, 142639, 145124, 146657, 181405, 203770, 209510, 212503, 253967, 285278, 293314, 362810, 407540, 419020, 425006, 507934, 570556, 586628, 713195, 725620, 733285, 850012, 1015868, 1062515, 1269835, 1426390, 1466570, 1487521, 2125030, 2539670, 2852780, 2933140, 2975042, 4250060, 5079340, 5950084, 7437605, 10412647, 14875210, 20825294, 29750420, 41650588, 52063235, 104126470, 208252940]

約数ペア:

[(1, 208252940), (2, 104126470), (4, 52063235), (5, 41650588), (7, 29750420), (10, 20825294), (14, 14875210), (20, 10412647), (28, 7437605), (35, 5950084), (41, 5079340), (49, 4250060), (70, 2975042), (71, 2933140), (73, 2852780), (82, 2539670), (98, 2125030), (140, 1487521), (142, 1466570), (146, 1426390), (164, 1269835), (196, 1062515), (205, 1015868), (245, 850012), (284, 733285), (287, 725620), (292, 713195), (355, 586628), (365, 570556), (410, 507934), (490, 425006), (497, 419020), (511, 407540), (574, 362810), (710, 293314), (730, 285278), (820, 253967), (980, 212503), (994, 209510), (1022, 203770), (1148, 181405), (1420, 146657), (1435, 145124), (1460, 142639), (1988, 104755), (2009, 103660), (2044, 101885), (2485, 83804), (2555, 81508), (2870, 72562), (2911, 71540), (2993, 69580), (3479, 59860), (3577, 58220), (4018, 51830), (4970, 41902), (5110, 40754), (5183, 40180), (5740, 36281), (5822, 35770), (5986, 34790), (6958, 29930), (7154, 29110), (8036, 25915), (9940, 20951), (10045, 20732), (10220, 20377), (10366, 20090), (11644, 17885), (11972, 17395), (13916, 14965), (14308, 14555)]