390037760

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{431}}^1$

素因数の和:560

約数の個数: 144

約数和(自身を含む): 1080801792

約数和(自身を除く): 690764032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 101, 112, 128, 140, 160, 202, 224, 256, 280, 320, 404, 431, 448, 505, 560, 640, 707, 808, 862, 896, 1010, 1120, 1280, 1414, 1616, 1724, 1792, 2020, 2155, 2240, 2828, 3017, 3232, 3448, 3535, 4040, 4310, 4480, 5656, 6034, 6464, 6896, 7070, 8080, 8620, 8960, 11312, 12068, 12928, 13792, 14140, 15085, 16160, 17240, 22624, 24136, 25856, 27584, 28280, 30170, 32320, 34480, 43531, 45248, 48272, 55168, 56560, 60340, 64640, 68960, 87062, 90496, 96544, 110336, 113120, 120680, 129280, 137920, 174124, 180992, 193088, 217655, 226240, 241360, 275840, 304717, 348248, 386176, 435310, 452480, 482720, 551680, 609434, 696496, 772352, 870620, 904960, 965440, 1218868, 1392992, 1523585, 1741240, 1930880, 2437736, 2785984, 3047170, 3482480, 3861760, 4875472, 5571968, 6094340, 6964960, 9750944, 11143936, 12188680, 13929920, 19501888, 24377360, 27859840, 39003776, 48754720, 55719680, 78007552, 97509440, 195018880, 390037760]

約数ペア:

[(1, 390037760), (2, 195018880), (4, 97509440), (5, 78007552), (7, 55719680), (8, 48754720), (10, 39003776), (14, 27859840), (16, 24377360), (20, 19501888), (28, 13929920), (32, 12188680), (35, 11143936), (40, 9750944), (56, 6964960), (64, 6094340), (70, 5571968), (80, 4875472), (101, 3861760), (112, 3482480), (128, 3047170), (140, 2785984), (160, 2437736), (202, 1930880), (224, 1741240), (256, 1523585), (280, 1392992), (320, 1218868), (404, 965440), (431, 904960), (448, 870620), (505, 772352), (560, 696496), (640, 609434), (707, 551680), (808, 482720), (862, 452480), (896, 435310), (1010, 386176), (1120, 348248), (1280, 304717), (1414, 275840), (1616, 241360), (1724, 226240), (1792, 217655), (2020, 193088), (2155, 180992), (2240, 174124), (2828, 137920), (3017, 129280), (3232, 120680), (3448, 113120), (3535, 110336), (4040, 96544), (4310, 90496), (4480, 87062), (5656, 68960), (6034, 64640), (6464, 60340), (6896, 56560), (7070, 55168), (8080, 48272), (8620, 45248), (8960, 43531), (11312, 34480), (12068, 32320), (12928, 30170), (13792, 28280), (14140, 27584), (15085, 25856), (16160, 24136), (17240, 22624)]