220131520

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:271

約数の個数: 168

約数和(自身を含む): 620237520

約数和(自身を除く): 400106000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 101, 112, 139, 140, 160, 196, 202, 224, 245, 278, 280, 320, 392, 404, 448, 490, 505, 556, 560, 695, 707, 784, 808, 973, 980, 1010, 1112, 1120, 1390, 1414, 1568, 1616, 1946, 1960, 2020, 2224, 2240, 2780, 2828, 3136, 3232, 3535, 3892, 3920, 4040, 4448, 4865, 4949, 5560, 5656, 6464, 6811, 7070, 7784, 7840, 8080, 8896, 9730, 9898, 11120, 11312, 13622, 14039, 14140, 15568, 15680, 16160, 19460, 19796, 22240, 22624, 24745, 27244, 28078, 28280, 31136, 32320, 34055, 38920, 39592, 44480, 45248, 49490, 54488, 56156, 56560, 62272, 68110, 70195, 77840, 79184, 98273, 98980, 108976, 112312, 113120, 136220, 140390, 155680, 158368, 196546, 197960, 217952, 224624, 226240, 272440, 280780, 311360, 316736, 393092, 395920, 435904, 449248, 491365, 544880, 561560, 687911, 786184, 791840, 898496, 982730, 1089760, 1123120, 1375822, 1572368, 1583680, 1965460, 2179520, 2246240, 2751644, 3144736, 3439555, 3930920, 4492480, 5503288, 6289472, 6879110, 7861840, 11006576, 13758220, 15723680, 22013152, 27516440, 31447360, 44026304, 55032880, 110065760, 220131520]

約数ペア:

[(1, 220131520), (2, 110065760), (4, 55032880), (5, 44026304), (7, 31447360), (8, 27516440), (10, 22013152), (14, 15723680), (16, 13758220), (20, 11006576), (28, 7861840), (32, 6879110), (35, 6289472), (40, 5503288), (49, 4492480), (56, 3930920), (64, 3439555), (70, 3144736), (80, 2751644), (98, 2246240), (101, 2179520), (112, 1965460), (139, 1583680), (140, 1572368), (160, 1375822), (196, 1123120), (202, 1089760), (224, 982730), (245, 898496), (278, 791840), (280, 786184), (320, 687911), (392, 561560), (404, 544880), (448, 491365), (490, 449248), (505, 435904), (556, 395920), (560, 393092), (695, 316736), (707, 311360), (784, 280780), (808, 272440), (973, 226240), (980, 224624), (1010, 217952), (1112, 197960), (1120, 196546), (1390, 158368), (1414, 155680), (1568, 140390), (1616, 136220), (1946, 113120), (1960, 112312), (2020, 108976), (2224, 98980), (2240, 98273), (2780, 79184), (2828, 77840), (3136, 70195), (3232, 68110), (3535, 62272), (3892, 56560), (3920, 56156), (4040, 54488), (4448, 49490), (4865, 45248), (4949, 44480), (5560, 39592), (5656, 38920), (6464, 34055), (6811, 32320), (7070, 31136), (7784, 28280), (7840, 28078), (8080, 27244), (8896, 24745), (9730, 22624), (9898, 22240), (11120, 19796), (11312, 19460), (13622, 16160), (14039, 15680), (14140, 15568)]