215001040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{1061}}^1$

素因数の和:1240

約数の個数: 80

約数和(自身を含む): 533336400

約数和(自身を除く): 318335360

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 149, 170, 272, 298, 340, 596, 680, 745, 1061, 1192, 1360, 1490, 2122, 2384, 2533, 2980, 4244, 5066, 5305, 5960, 8488, 10132, 10610, 11920, 12665, 16976, 18037, 20264, 21220, 25330, 36074, 40528, 42440, 50660, 72148, 84880, 90185, 101320, 144296, 158089, 180370, 202640, 288592, 316178, 360740, 632356, 721480, 790445, 1264712, 1442960, 1580890, 2529424, 2687513, 3161780, 5375026, 6323560, 10750052, 12647120, 13437565, 21500104, 26875130, 43000208, 53750260, 107500520, 215001040]

約数ペア:

[(1, 215001040), (2, 107500520), (4, 53750260), (5, 43000208), (8, 26875130), (10, 21500104), (16, 13437565), (17, 12647120), (20, 10750052), (34, 6323560), (40, 5375026), (68, 3161780), (80, 2687513), (85, 2529424), (136, 1580890), (149, 1442960), (170, 1264712), (272, 790445), (298, 721480), (340, 632356), (596, 360740), (680, 316178), (745, 288592), (1061, 202640), (1192, 180370), (1360, 158089), (1490, 144296), (2122, 101320), (2384, 90185), (2533, 84880), (2980, 72148), (4244, 50660), (5066, 42440), (5305, 40528), (5960, 36074), (8488, 25330), (10132, 21220), (10610, 20264), (11920, 18037), (12665, 16976)]