7651700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{643}}^1$

素因数の和:681

約数の個数: 72

約数和(自身を含む): 20123712

約数和(自身を除く): 12472012

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 34, 35, 50, 68, 70, 85, 100, 119, 140, 170, 175, 238, 340, 350, 425, 476, 595, 643, 700, 850, 1190, 1286, 1700, 2380, 2572, 2975, 3215, 4501, 5950, 6430, 9002, 10931, 11900, 12860, 16075, 18004, 21862, 22505, 32150, 43724, 45010, 54655, 64300, 76517, 90020, 109310, 112525, 153034, 218620, 225050, 273275, 306068, 382585, 450100, 546550, 765170, 1093100, 1530340, 1912925, 3825850, 7651700]

約数ペア:

[(1, 7651700), (2, 3825850), (4, 1912925), (5, 1530340), (7, 1093100), (10, 765170), (14, 546550), (17, 450100), (20, 382585), (25, 306068), (28, 273275), (34, 225050), (35, 218620), (50, 153034), (68, 112525), (70, 109310), (85, 90020), (100, 76517), (119, 64300), (140, 54655), (170, 45010), (175, 43724), (238, 32150), (340, 22505), (350, 21862), (425, 18004), (476, 16075), (595, 12860), (643, 11900), (700, 10931), (850, 9002), (1190, 6430), (1286, 5950), (1700, 4501), (2380, 3215), (2572, 2975)]