217250320

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{353}}^1$

素因数の和:537

約数の個数: 120

約数和(自身を含む): 592991064

約数和(自身を除く): 375740744

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 157, 196, 245, 280, 314, 353, 392, 490, 560, 628, 706, 784, 785, 980, 1099, 1256, 1412, 1570, 1765, 1960, 2198, 2471, 2512, 2824, 3140, 3530, 3920, 4396, 4942, 5495, 5648, 6280, 7060, 7693, 8792, 9884, 10990, 12355, 12560, 14120, 15386, 17297, 17584, 19768, 21980, 24710, 28240, 30772, 34594, 38465, 39536, 43960, 49420, 55421, 61544, 69188, 76930, 86485, 87920, 98840, 110842, 123088, 138376, 153860, 172970, 197680, 221684, 276752, 277105, 307720, 345940, 387947, 443368, 554210, 615440, 691880, 775894, 886736, 1108420, 1383760, 1551788, 1939735, 2216840, 2715629, 3103576, 3879470, 4433680, 5431258, 6207152, 7758940, 10862516, 13578145, 15517880, 21725032, 27156290, 31035760, 43450064, 54312580, 108625160, 217250320]

約数ペア:

[(1, 217250320), (2, 108625160), (4, 54312580), (5, 43450064), (7, 31035760), (8, 27156290), (10, 21725032), (14, 15517880), (16, 13578145), (20, 10862516), (28, 7758940), (35, 6207152), (40, 5431258), (49, 4433680), (56, 3879470), (70, 3103576), (80, 2715629), (98, 2216840), (112, 1939735), (140, 1551788), (157, 1383760), (196, 1108420), (245, 886736), (280, 775894), (314, 691880), (353, 615440), (392, 554210), (490, 443368), (560, 387947), (628, 345940), (706, 307720), (784, 277105), (785, 276752), (980, 221684), (1099, 197680), (1256, 172970), (1412, 153860), (1570, 138376), (1765, 123088), (1960, 110842), (2198, 98840), (2471, 87920), (2512, 86485), (2824, 76930), (3140, 69188), (3530, 61544), (3920, 55421), (4396, 49420), (4942, 43960), (5495, 39536), (5648, 38465), (6280, 34594), (7060, 30772), (7693, 28240), (8792, 24710), (9884, 21980), (10990, 19768), (12355, 17584), (12560, 17297), (14120, 15386)]