42280140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:296

約数の個数: 144

約数和(自身を含む): 140307552

約数和(自身を除く): 98027412

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 73, 84, 98, 105, 140, 146, 147, 196, 197, 210, 219, 245, 292, 294, 365, 394, 420, 438, 490, 511, 588, 591, 730, 735, 788, 876, 980, 985, 1022, 1095, 1182, 1379, 1460, 1470, 1533, 1970, 2044, 2190, 2364, 2555, 2758, 2940, 2955, 3066, 3577, 3940, 4137, 4380, 5110, 5516, 5910, 6132, 6895, 7154, 7665, 8274, 9653, 10220, 10731, 11820, 13790, 14308, 14381, 15330, 16548, 17885, 19306, 20685, 21462, 27580, 28762, 28959, 30660, 35770, 38612, 41370, 42924, 43143, 48265, 53655, 57524, 57918, 71540, 71905, 82740, 86286, 96530, 100667, 107310, 115836, 143810, 144795, 172572, 193060, 201334, 214620, 215715, 287620, 289590, 302001, 402668, 431430, 503335, 579180, 604002, 704669, 862860, 1006670, 1208004, 1409338, 1510005, 2013340, 2114007, 2818676, 3020010, 3523345, 4228014, 6040020, 7046690, 8456028, 10570035, 14093380, 21140070, 42280140]

約数ペア:

[(1, 42280140), (2, 21140070), (3, 14093380), (4, 10570035), (5, 8456028), (6, 7046690), (7, 6040020), (10, 4228014), (12, 3523345), (14, 3020010), (15, 2818676), (20, 2114007), (21, 2013340), (28, 1510005), (30, 1409338), (35, 1208004), (42, 1006670), (49, 862860), (60, 704669), (70, 604002), (73, 579180), (84, 503335), (98, 431430), (105, 402668), (140, 302001), (146, 289590), (147, 287620), (196, 215715), (197, 214620), (210, 201334), (219, 193060), (245, 172572), (292, 144795), (294, 143810), (365, 115836), (394, 107310), (420, 100667), (438, 96530), (490, 86286), (511, 82740), (588, 71905), (591, 71540), (730, 57918), (735, 57524), (788, 53655), (876, 48265), (980, 43143), (985, 42924), (1022, 41370), (1095, 38612), (1182, 35770), (1379, 30660), (1460, 28959), (1470, 28762), (1533, 27580), (1970, 21462), (2044, 20685), (2190, 19306), (2364, 17885), (2555, 16548), (2758, 15330), (2940, 14381), (2955, 14308), (3066, 13790), (3577, 11820), (3940, 10731), (4137, 10220), (4380, 9653), (5110, 8274), (5516, 7665), (5910, 7154), (6132, 6895)]