28854420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:174

約数の個数: 192

約数和(自身を含む): 100638720

約数和(自身を除く): 71784300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 29, 30, 35, 42, 46, 58, 60, 69, 70, 84, 87, 92, 103, 105, 115, 116, 138, 140, 145, 161, 174, 203, 206, 210, 230, 276, 290, 309, 322, 345, 348, 406, 412, 420, 435, 460, 483, 515, 580, 609, 618, 644, 667, 690, 721, 805, 812, 870, 966, 1015, 1030, 1218, 1236, 1334, 1380, 1442, 1545, 1610, 1740, 1932, 2001, 2030, 2060, 2163, 2369, 2415, 2436, 2668, 2884, 2987, 3045, 3090, 3220, 3335, 3605, 4002, 4060, 4326, 4669, 4738, 4830, 5974, 6090, 6180, 6670, 7107, 7210, 8004, 8652, 8961, 9338, 9476, 9660, 10005, 10815, 11845, 11948, 12180, 13340, 14007, 14214, 14420, 14935, 16583, 17922, 18676, 20010, 20909, 21630, 23345, 23690, 28014, 28428, 29870, 33166, 35535, 35844, 40020, 41818, 43260, 44805, 46690, 47380, 49749, 56028, 59740, 62727, 66332, 68701, 70035, 71070, 82915, 83636, 89610, 93380, 99498, 104545, 125454, 137402, 140070, 142140, 165830, 179220, 198996, 206103, 209090, 248745, 250908, 274804, 280140, 313635, 331660, 343505, 412206, 418180, 480907, 497490, 627270, 687010, 824412, 961814, 994980, 1030515, 1254540, 1374020, 1442721, 1923628, 2061030, 2404535, 2885442, 4122060, 4809070, 5770884, 7213605, 9618140, 14427210, 28854420]

約数ペア:

[(1, 28854420), (2, 14427210), (3, 9618140), (4, 7213605), (5, 5770884), (6, 4809070), (7, 4122060), (10, 2885442), (12, 2404535), (14, 2061030), (15, 1923628), (20, 1442721), (21, 1374020), (23, 1254540), (28, 1030515), (29, 994980), (30, 961814), (35, 824412), (42, 687010), (46, 627270), (58, 497490), (60, 480907), (69, 418180), (70, 412206), (84, 343505), (87, 331660), (92, 313635), (103, 280140), (105, 274804), (115, 250908), (116, 248745), (138, 209090), (140, 206103), (145, 198996), (161, 179220), (174, 165830), (203, 142140), (206, 140070), (210, 137402), (230, 125454), (276, 104545), (290, 99498), (309, 93380), (322, 89610), (345, 83636), (348, 82915), (406, 71070), (412, 70035), (420, 68701), (435, 66332), (460, 62727), (483, 59740), (515, 56028), (580, 49749), (609, 47380), (618, 46690), (644, 44805), (667, 43260), (690, 41818), (721, 40020), (805, 35844), (812, 35535), (870, 33166), (966, 29870), (1015, 28428), (1030, 28014), (1218, 23690), (1236, 23345), (1334, 21630), (1380, 20909), (1442, 20010), (1545, 18676), (1610, 17922), (1740, 16583), (1932, 14935), (2001, 14420), (2030, 14214), (2060, 14007), (2163, 13340), (2369, 12180), (2415, 11948), (2436, 11845), (2668, 10815), (2884, 10005), (2987, 9660), (3045, 9476), (3090, 9338), (3220, 8961), (3335, 8652), (3605, 8004), (4002, 7210), (4060, 7107), (4326, 6670), (4669, 6180), (4738, 6090), (4830, 5974)]