247343320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{367}}^1$

素因数の和:497

約数の個数: 128

約数和(自身を含む): 667699200

約数和(自身を除く): 420355880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 83, 116, 140, 145, 166, 203, 232, 280, 290, 332, 367, 406, 415, 580, 581, 664, 734, 812, 830, 1015, 1160, 1162, 1468, 1624, 1660, 1835, 2030, 2324, 2407, 2569, 2905, 2936, 3320, 3670, 4060, 4648, 4814, 5138, 5810, 7340, 8120, 9628, 10276, 10643, 11620, 12035, 12845, 14680, 16849, 19256, 20552, 21286, 23240, 24070, 25690, 30461, 33698, 42572, 48140, 51380, 53215, 60922, 67396, 74501, 84245, 85144, 96280, 102760, 106430, 121844, 134792, 149002, 152305, 168490, 212860, 213227, 243688, 298004, 304610, 336980, 372505, 425720, 426454, 596008, 609220, 673960, 745010, 852908, 883369, 1066135, 1218440, 1490020, 1705816, 1766738, 2132270, 2980040, 3533476, 4264540, 4416845, 6183583, 7066952, 8529080, 8833690, 12367166, 17667380, 24734332, 30917915, 35334760, 49468664, 61835830, 123671660, 247343320]

約数ペア:

[(1, 247343320), (2, 123671660), (4, 61835830), (5, 49468664), (7, 35334760), (8, 30917915), (10, 24734332), (14, 17667380), (20, 12367166), (28, 8833690), (29, 8529080), (35, 7066952), (40, 6183583), (56, 4416845), (58, 4264540), (70, 3533476), (83, 2980040), (116, 2132270), (140, 1766738), (145, 1705816), (166, 1490020), (203, 1218440), (232, 1066135), (280, 883369), (290, 852908), (332, 745010), (367, 673960), (406, 609220), (415, 596008), (580, 426454), (581, 425720), (664, 372505), (734, 336980), (812, 304610), (830, 298004), (1015, 243688), (1160, 213227), (1162, 212860), (1468, 168490), (1624, 152305), (1660, 149002), (1835, 134792), (2030, 121844), (2324, 106430), (2407, 102760), (2569, 96280), (2905, 85144), (2936, 84245), (3320, 74501), (3670, 67396), (4060, 60922), (4648, 53215), (4814, 51380), (5138, 48140), (5810, 42572), (7340, 33698), (8120, 30461), (9628, 25690), (10276, 24070), (10643, 23240), (11620, 21286), (12035, 20552), (12845, 19256), (14680, 16849)]