199869440

素因数分解:

$2^{10}\times 5^1\times {\mathrm{103}}^1\times {\mathrm{379}}^1$

素因数の和:507

約数の個数: 88

約数和(自身を含む): 485384640

約数和(自身を除く): 285515200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 128, 160, 206, 256, 320, 379, 412, 512, 515, 640, 758, 824, 1024, 1030, 1280, 1516, 1648, 1895, 2060, 2560, 3032, 3296, 3790, 4120, 5120, 6064, 6592, 7580, 8240, 12128, 13184, 15160, 16480, 24256, 26368, 30320, 32960, 39037, 48512, 52736, 60640, 65920, 78074, 97024, 105472, 121280, 131840, 156148, 194048, 195185, 242560, 263680, 312296, 388096, 390370, 485120, 527360, 624592, 780740, 970240, 1249184, 1561480, 1940480, 2498368, 3122960, 4996736, 6245920, 9993472, 12491840, 19986944, 24983680, 39973888, 49967360, 99934720, 199869440]

約数ペア:

[(1, 199869440), (2, 99934720), (4, 49967360), (5, 39973888), (8, 24983680), (10, 19986944), (16, 12491840), (20, 9993472), (32, 6245920), (40, 4996736), (64, 3122960), (80, 2498368), (103, 1940480), (128, 1561480), (160, 1249184), (206, 970240), (256, 780740), (320, 624592), (379, 527360), (412, 485120), (512, 390370), (515, 388096), (640, 312296), (758, 263680), (824, 242560), (1024, 195185), (1030, 194048), (1280, 156148), (1516, 131840), (1648, 121280), (1895, 105472), (2060, 97024), (2560, 78074), (3032, 65920), (3296, 60640), (3790, 52736), (4120, 48512), (5120, 39037), (6064, 32960), (6592, 30320), (7580, 26368), (8240, 24256), (12128, 16480), (13184, 15160)]