84461780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:333

約数の個数: 96

約数和(自身を含む): 205371936

約数和(自身を除く): 120910156

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 97, 130, 170, 194, 197, 221, 260, 340, 388, 394, 442, 485, 788, 884, 970, 985, 1105, 1261, 1649, 1940, 1970, 2210, 2522, 2561, 3298, 3349, 3940, 4420, 5044, 5122, 6305, 6596, 6698, 8245, 10244, 12610, 12805, 13396, 16490, 16745, 19109, 21437, 25220, 25610, 32980, 33490, 38218, 42874, 43537, 51220, 66980, 76436, 85748, 87074, 95545, 107185, 174148, 191090, 214370, 217685, 248417, 324853, 382180, 428740, 435370, 496834, 649706, 870740, 993668, 1242085, 1299412, 1624265, 2484170, 3248530, 4223089, 4968340, 6497060, 8446178, 16892356, 21115445, 42230890, 84461780]

約数ペア:

[(1, 84461780), (2, 42230890), (4, 21115445), (5, 16892356), (10, 8446178), (13, 6497060), (17, 4968340), (20, 4223089), (26, 3248530), (34, 2484170), (52, 1624265), (65, 1299412), (68, 1242085), (85, 993668), (97, 870740), (130, 649706), (170, 496834), (194, 435370), (197, 428740), (221, 382180), (260, 324853), (340, 248417), (388, 217685), (394, 214370), (442, 191090), (485, 174148), (788, 107185), (884, 95545), (970, 87074), (985, 85748), (1105, 76436), (1261, 66980), (1649, 51220), (1940, 43537), (1970, 42874), (2210, 38218), (2522, 33490), (2561, 32980), (3298, 25610), (3349, 25220), (3940, 21437), (4420, 19109), (5044, 16745), (5122, 16490), (6305, 13396), (6596, 12805), (6698, 12610), (8245, 10244)]