210348040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:383

約数の個数: 128

約数和(自身を含む): 563915520

約数和(自身を除く): 353567480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 73, 82, 140, 146, 164, 205, 251, 280, 287, 292, 328, 365, 410, 502, 511, 574, 584, 730, 820, 1004, 1022, 1148, 1255, 1435, 1460, 1640, 1757, 2008, 2044, 2296, 2510, 2555, 2870, 2920, 2993, 3514, 4088, 5020, 5110, 5740, 5986, 7028, 8785, 10040, 10220, 10291, 11480, 11972, 14056, 14965, 17570, 18323, 20440, 20582, 20951, 23944, 29930, 35140, 36646, 41164, 41902, 51455, 59860, 70280, 72037, 73292, 82328, 83804, 91615, 102910, 104755, 119720, 128261, 144074, 146584, 167608, 183230, 205820, 209510, 256522, 288148, 360185, 366460, 411640, 419020, 513044, 576296, 641305, 720370, 732920, 751243, 838040, 1026088, 1282610, 1440740, 1502486, 2565220, 2881480, 3004972, 3756215, 5130440, 5258701, 6009944, 7512430, 10517402, 15024860, 21034804, 26293505, 30049720, 42069608, 52587010, 105174020, 210348040]

約数ペア:

[(1, 210348040), (2, 105174020), (4, 52587010), (5, 42069608), (7, 30049720), (8, 26293505), (10, 21034804), (14, 15024860), (20, 10517402), (28, 7512430), (35, 6009944), (40, 5258701), (41, 5130440), (56, 3756215), (70, 3004972), (73, 2881480), (82, 2565220), (140, 1502486), (146, 1440740), (164, 1282610), (205, 1026088), (251, 838040), (280, 751243), (287, 732920), (292, 720370), (328, 641305), (365, 576296), (410, 513044), (502, 419020), (511, 411640), (574, 366460), (584, 360185), (730, 288148), (820, 256522), (1004, 209510), (1022, 205820), (1148, 183230), (1255, 167608), (1435, 146584), (1460, 144074), (1640, 128261), (1757, 119720), (2008, 104755), (2044, 102910), (2296, 91615), (2510, 83804), (2555, 82328), (2870, 73292), (2920, 72037), (2993, 70280), (3514, 59860), (4088, 51455), (5020, 41902), (5110, 41164), (5740, 36646), (5986, 35140), (7028, 29930), (8785, 23944), (10040, 20951), (10220, 20582), (10291, 20440), (11480, 18323), (11972, 17570), (14056, 14965)]