217230640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{7963}}^1$

素因数の和:8018

約数の個数: 80

約数和(自身を含む): 568820736

約数和(自身を除く): 351590096

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1240, 1364, 1705, 2480, 2728, 3410, 5456, 6820, 7963, 13640, 15926, 27280, 31852, 39815, 63704, 79630, 87593, 127408, 159260, 175186, 246853, 318520, 350372, 437965, 493706, 637040, 700744, 875930, 987412, 1234265, 1401488, 1751860, 1974824, 2468530, 2715383, 3503720, 3949648, 4937060, 5430766, 7007440, 9874120, 10861532, 13576915, 19748240, 21723064, 27153830, 43446128, 54307660, 108615320, 217230640]

約数ペア:

[(1, 217230640), (2, 108615320), (4, 54307660), (5, 43446128), (8, 27153830), (10, 21723064), (11, 19748240), (16, 13576915), (20, 10861532), (22, 9874120), (31, 7007440), (40, 5430766), (44, 4937060), (55, 3949648), (62, 3503720), (80, 2715383), (88, 2468530), (110, 1974824), (124, 1751860), (155, 1401488), (176, 1234265), (220, 987412), (248, 875930), (310, 700744), (341, 637040), (440, 493706), (496, 437965), (620, 350372), (682, 318520), (880, 246853), (1240, 175186), (1364, 159260), (1705, 127408), (2480, 87593), (2728, 79630), (3410, 63704), (5456, 39815), (6820, 31852), (7963, 27280), (13640, 15926)]