1207220728

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:425

約数の個数: 128

約数和(自身を含む): 2838084480

約数和(自身を除く): 1630863752

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 41, 56, 68, 82, 119, 136, 157, 164, 197, 238, 287, 314, 328, 394, 476, 574, 628, 697, 788, 952, 1099, 1148, 1256, 1379, 1394, 1576, 2198, 2296, 2669, 2758, 2788, 3349, 4396, 4879, 5338, 5516, 5576, 6437, 6698, 8077, 8792, 9758, 10676, 11032, 12874, 13396, 16154, 18683, 19516, 21352, 23443, 25748, 26792, 30929, 32308, 37366, 39032, 45059, 46886, 51496, 56539, 61858, 64616, 74732, 90118, 93772, 109429, 113078, 123716, 137309, 149464, 180236, 187544, 216503, 218858, 226156, 247432, 274618, 360472, 433006, 437716, 452312, 525793, 549236, 766003, 866012, 875432, 961163, 1051586, 1098472, 1268089, 1532006, 1732024, 1922326, 2103172, 2536178, 3064012, 3680551, 3844652, 4206344, 5072356, 6128024, 7361102, 7689304, 8876623, 10144712, 14722204, 17753246, 21557513, 29444408, 35506492, 43115026, 71012984, 86230052, 150902591, 172460104, 301805182, 603610364, 1207220728]

約数ペア:

[(1, 1207220728), (2, 603610364), (4, 301805182), (7, 172460104), (8, 150902591), (14, 86230052), (17, 71012984), (28, 43115026), (34, 35506492), (41, 29444408), (56, 21557513), (68, 17753246), (82, 14722204), (119, 10144712), (136, 8876623), (157, 7689304), (164, 7361102), (197, 6128024), (238, 5072356), (287, 4206344), (314, 3844652), (328, 3680551), (394, 3064012), (476, 2536178), (574, 2103172), (628, 1922326), (697, 1732024), (788, 1532006), (952, 1268089), (1099, 1098472), (1148, 1051586), (1256, 961163), (1379, 875432), (1394, 866012), (1576, 766003), (2198, 549236), (2296, 525793), (2669, 452312), (2758, 437716), (2788, 433006), (3349, 360472), (4396, 274618), (4879, 247432), (5338, 226156), (5516, 218858), (5576, 216503), (6437, 187544), (6698, 180236), (8077, 149464), (8792, 137309), (9758, 123716), (10676, 113078), (11032, 109429), (12874, 93772), (13396, 90118), (16154, 74732), (18683, 64616), (19516, 61858), (21352, 56539), (23443, 51496), (25748, 46886), (26792, 45059), (30929, 39032), (32308, 37366)]