215710280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{2129}}^1$

素因数の和:2306

約数の個数: 64

約数和(自身を含む): 517590000

約数和(自身を除く): 301879720

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 149, 170, 298, 340, 596, 680, 745, 1192, 1490, 2129, 2533, 2980, 4258, 5066, 5960, 8516, 10132, 10645, 12665, 17032, 20264, 21290, 25330, 36193, 42580, 50660, 72386, 85160, 101320, 144772, 180965, 289544, 317221, 361930, 634442, 723860, 1268884, 1447720, 1586105, 2537768, 3172210, 5392757, 6344420, 10785514, 12688840, 21571028, 26963785, 43142056, 53927570, 107855140, 215710280]

約数ペア:

[(1, 215710280), (2, 107855140), (4, 53927570), (5, 43142056), (8, 26963785), (10, 21571028), (17, 12688840), (20, 10785514), (34, 6344420), (40, 5392757), (68, 3172210), (85, 2537768), (136, 1586105), (149, 1447720), (170, 1268884), (298, 723860), (340, 634442), (596, 361930), (680, 317221), (745, 289544), (1192, 180965), (1490, 144772), (2129, 101320), (2533, 85160), (2980, 72386), (4258, 50660), (5066, 42580), (5960, 36193), (8516, 25330), (10132, 21290), (10645, 20264), (12665, 17032)]