221384240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{433}}^1$

素因数の和:547

約数の個数: 160

約数和(自身を含む): 650958336

約数和(自身を除く): 429574096

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 83, 88, 110, 112, 140, 154, 166, 176, 220, 280, 308, 332, 385, 415, 433, 440, 560, 581, 616, 664, 770, 830, 866, 880, 913, 1162, 1232, 1328, 1540, 1660, 1732, 1826, 2165, 2324, 2905, 3031, 3080, 3320, 3464, 3652, 4330, 4565, 4648, 4763, 5810, 6062, 6160, 6391, 6640, 6928, 7304, 8660, 9130, 9296, 9526, 11620, 12124, 12782, 14608, 15155, 17320, 18260, 19052, 23240, 23815, 24248, 25564, 30310, 31955, 33341, 34640, 35939, 36520, 38104, 46480, 47630, 48496, 51128, 60620, 63910, 66682, 71878, 73040, 76208, 95260, 102256, 121240, 127820, 133364, 143756, 166705, 179695, 190520, 242480, 251573, 255640, 266728, 287512, 333410, 359390, 381040, 395329, 503146, 511280, 533456, 575024, 666820, 718780, 790658, 1006292, 1257865, 1333640, 1437560, 1581316, 1976645, 2012584, 2515730, 2667280, 2767303, 2875120, 3162632, 3953290, 4025168, 5031460, 5534606, 6325264, 7906580, 10062920, 11069212, 13836515, 15813160, 20125840, 22138424, 27673030, 31626320, 44276848, 55346060, 110692120, 221384240]

約数ペア:

[(1, 221384240), (2, 110692120), (4, 55346060), (5, 44276848), (7, 31626320), (8, 27673030), (10, 22138424), (11, 20125840), (14, 15813160), (16, 13836515), (20, 11069212), (22, 10062920), (28, 7906580), (35, 6325264), (40, 5534606), (44, 5031460), (55, 4025168), (56, 3953290), (70, 3162632), (77, 2875120), (80, 2767303), (83, 2667280), (88, 2515730), (110, 2012584), (112, 1976645), (140, 1581316), (154, 1437560), (166, 1333640), (176, 1257865), (220, 1006292), (280, 790658), (308, 718780), (332, 666820), (385, 575024), (415, 533456), (433, 511280), (440, 503146), (560, 395329), (581, 381040), (616, 359390), (664, 333410), (770, 287512), (830, 266728), (866, 255640), (880, 251573), (913, 242480), (1162, 190520), (1232, 179695), (1328, 166705), (1540, 143756), (1660, 133364), (1732, 127820), (1826, 121240), (2165, 102256), (2324, 95260), (2905, 76208), (3031, 73040), (3080, 71878), (3320, 66682), (3464, 63910), (3652, 60620), (4330, 51128), (4565, 48496), (4648, 47630), (4763, 46480), (5810, 38104), (6062, 36520), (6160, 35939), (6391, 34640), (6640, 33341), (6928, 31955), (7304, 30310), (8660, 25564), (9130, 24248), (9296, 23815), (9526, 23240), (11620, 19052), (12124, 18260), (12782, 17320), (14608, 15155)]