216216910

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{13}}^2\times {\mathrm{373}}^1$

素因数の和:427

約数の個数: 96

約数和(自身を含む): 492782400

約数和(自身を除く): 276565490

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 169, 182, 245, 338, 343, 373, 455, 490, 637, 686, 746, 845, 910, 1183, 1274, 1690, 1715, 1865, 2366, 2611, 3185, 3430, 3730, 4459, 4849, 5222, 5915, 6370, 8281, 8918, 9698, 11830, 13055, 16562, 18277, 22295, 24245, 26110, 33943, 36554, 41405, 44590, 48490, 57967, 63037, 67886, 82810, 91385, 115934, 126074, 127939, 169715, 182770, 237601, 255878, 289835, 315185, 339430, 441259, 475202, 579670, 630370, 639695, 882518, 1188005, 1279390, 1663207, 2206295, 2376010, 3088813, 3326414, 4412590, 6177626, 8316035, 15444065, 16632070, 21621691, 30888130, 43243382, 108108455, 216216910]

約数ペア:

[(1, 216216910), (2, 108108455), (5, 43243382), (7, 30888130), (10, 21621691), (13, 16632070), (14, 15444065), (26, 8316035), (35, 6177626), (49, 4412590), (65, 3326414), (70, 3088813), (91, 2376010), (98, 2206295), (130, 1663207), (169, 1279390), (182, 1188005), (245, 882518), (338, 639695), (343, 630370), (373, 579670), (455, 475202), (490, 441259), (637, 339430), (686, 315185), (746, 289835), (845, 255878), (910, 237601), (1183, 182770), (1274, 169715), (1690, 127939), (1715, 126074), (1865, 115934), (2366, 91385), (2611, 82810), (3185, 67886), (3430, 63037), (3730, 57967), (4459, 48490), (4849, 44590), (5222, 41405), (5915, 36554), (6370, 33943), (8281, 26110), (8918, 24245), (9698, 22295), (11830, 18277), (13055, 16562)]