206850420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{907}}^1$

素因数の和:1110

約数の個数: 144

約数和(自身を含む): 721838208

約数和(自身を除く): 514987788

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 181, 210, 252, 315, 362, 420, 543, 630, 724, 905, 907, 1086, 1260, 1267, 1629, 1810, 1814, 2172, 2534, 2715, 2721, 3258, 3620, 3628, 3801, 4535, 5068, 5430, 5442, 6335, 6349, 6516, 7602, 8145, 8163, 9070, 10860, 10884, 11403, 12670, 12698, 13605, 15204, 16290, 16326, 18140, 19005, 19047, 22806, 25340, 25396, 27210, 31745, 32580, 32652, 38010, 38094, 40815, 45612, 54420, 57015, 57141, 63490, 76020, 76188, 81630, 95235, 114030, 114282, 126980, 163260, 164167, 190470, 228060, 228564, 285705, 328334, 380940, 492501, 571410, 656668, 820835, 985002, 1142820, 1149169, 1477503, 1641670, 1970004, 2298338, 2462505, 2955006, 3283340, 3447507, 4596676, 4925010, 5745845, 5910012, 6895014, 7387515, 9850020, 10342521, 11491690, 13790028, 14775030, 17237535, 20685042, 22983380, 29550060, 34475070, 41370084, 51712605, 68950140, 103425210, 206850420]

約数ペア:

[(1, 206850420), (2, 103425210), (3, 68950140), (4, 51712605), (5, 41370084), (6, 34475070), (7, 29550060), (9, 22983380), (10, 20685042), (12, 17237535), (14, 14775030), (15, 13790028), (18, 11491690), (20, 10342521), (21, 9850020), (28, 7387515), (30, 6895014), (35, 5910012), (36, 5745845), (42, 4925010), (45, 4596676), (60, 3447507), (63, 3283340), (70, 2955006), (84, 2462505), (90, 2298338), (105, 1970004), (126, 1641670), (140, 1477503), (180, 1149169), (181, 1142820), (210, 985002), (252, 820835), (315, 656668), (362, 571410), (420, 492501), (543, 380940), (630, 328334), (724, 285705), (905, 228564), (907, 228060), (1086, 190470), (1260, 164167), (1267, 163260), (1629, 126980), (1810, 114282), (1814, 114030), (2172, 95235), (2534, 81630), (2715, 76188), (2721, 76020), (3258, 63490), (3620, 57141), (3628, 57015), (3801, 54420), (4535, 45612), (5068, 40815), (5430, 38094), (5442, 38010), (6335, 32652), (6349, 32580), (6516, 31745), (7602, 27210), (8145, 25396), (8163, 25340), (9070, 22806), (10860, 19047), (10884, 19005), (11403, 18140), (12670, 16326), (12698, 16290), (13605, 15204)]