77804200

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:251

約数の個数: 96

約数和(自身を含む): 189050400

約数和(自身を除く): 111246200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 83, 86, 100, 109, 166, 172, 200, 215, 218, 332, 344, 415, 430, 436, 545, 664, 830, 860, 872, 1075, 1090, 1660, 1720, 2075, 2150, 2180, 2725, 3320, 3569, 4150, 4300, 4360, 4687, 5450, 7138, 8300, 8600, 9047, 9374, 10900, 14276, 16600, 17845, 18094, 18748, 21800, 23435, 28552, 35690, 36188, 37496, 45235, 46870, 71380, 72376, 89225, 90470, 93740, 117175, 142760, 178450, 180940, 187480, 226175, 234350, 356900, 361880, 389021, 452350, 468700, 713800, 778042, 904700, 937400, 1556084, 1809400, 1945105, 3112168, 3890210, 7780420, 9725525, 15560840, 19451050, 38902100, 77804200]

約数ペア:

[(1, 77804200), (2, 38902100), (4, 19451050), (5, 15560840), (8, 9725525), (10, 7780420), (20, 3890210), (25, 3112168), (40, 1945105), (43, 1809400), (50, 1556084), (83, 937400), (86, 904700), (100, 778042), (109, 713800), (166, 468700), (172, 452350), (200, 389021), (215, 361880), (218, 356900), (332, 234350), (344, 226175), (415, 187480), (430, 180940), (436, 178450), (545, 142760), (664, 117175), (830, 93740), (860, 90470), (872, 89225), (1075, 72376), (1090, 71380), (1660, 46870), (1720, 45235), (2075, 37496), (2150, 36188), (2180, 35690), (2725, 28552), (3320, 23435), (3569, 21800), (4150, 18748), (4300, 18094), (4360, 17845), (4687, 16600), (5450, 14276), (7138, 10900), (8300, 9374), (8600, 9047)]