19406800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1$

素因数の和:293

約数の個数: 120

約数和(自身を含む): 55353600

約数和(自身を除く): 35946800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 29, 35, 40, 50, 56, 58, 70, 80, 100, 112, 116, 140, 145, 175, 200, 203, 232, 239, 280, 290, 350, 400, 406, 464, 478, 560, 580, 700, 725, 812, 956, 1015, 1160, 1195, 1400, 1450, 1624, 1673, 1912, 2030, 2320, 2390, 2800, 2900, 3248, 3346, 3824, 4060, 4780, 5075, 5800, 5975, 6692, 6931, 8120, 8365, 9560, 10150, 11600, 11950, 13384, 13862, 16240, 16730, 19120, 20300, 23900, 26768, 27724, 33460, 34655, 40600, 41825, 47800, 48517, 55448, 66920, 69310, 81200, 83650, 95600, 97034, 110896, 133840, 138620, 167300, 173275, 194068, 242585, 277240, 334600, 346550, 388136, 485170, 554480, 669200, 693100, 776272, 970340, 1212925, 1386200, 1940680, 2425850, 2772400, 3881360, 4851700, 9703400, 19406800]

約数ペア:

[(1, 19406800), (2, 9703400), (4, 4851700), (5, 3881360), (7, 2772400), (8, 2425850), (10, 1940680), (14, 1386200), (16, 1212925), (20, 970340), (25, 776272), (28, 693100), (29, 669200), (35, 554480), (40, 485170), (50, 388136), (56, 346550), (58, 334600), (70, 277240), (80, 242585), (100, 194068), (112, 173275), (116, 167300), (140, 138620), (145, 133840), (175, 110896), (200, 97034), (203, 95600), (232, 83650), (239, 81200), (280, 69310), (290, 66920), (350, 55448), (400, 48517), (406, 47800), (464, 41825), (478, 40600), (560, 34655), (580, 33460), (700, 27724), (725, 26768), (812, 23900), (956, 20300), (1015, 19120), (1160, 16730), (1195, 16240), (1400, 13862), (1450, 13384), (1624, 11950), (1673, 11600), (1912, 10150), (2030, 9560), (2320, 8365), (2390, 8120), (2800, 6931), (2900, 6692), (3248, 5975), (3346, 5800), (3824, 5075), (4060, 4780)]