78125740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{523}}^1$

素因数の和:647

約数の個数: 96

約数和(自身を含む): 207051264

約数和(自身を除く): 128925524

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 97, 110, 140, 154, 194, 220, 308, 385, 388, 485, 523, 679, 770, 970, 1046, 1067, 1358, 1540, 1940, 2092, 2134, 2615, 2716, 3395, 3661, 4268, 5230, 5335, 5753, 6790, 7322, 7469, 10460, 10670, 11506, 13580, 14644, 14938, 18305, 21340, 23012, 28765, 29876, 36610, 37345, 40271, 50731, 57530, 73220, 74690, 80542, 101462, 115060, 149380, 161084, 201355, 202924, 253655, 355117, 402710, 507310, 558041, 710234, 805420, 1014620, 1116082, 1420468, 1775585, 2232164, 2790205, 3551170, 3906287, 5580410, 7102340, 7812574, 11160820, 15625148, 19531435, 39062870, 78125740]

約数ペア:

[(1, 78125740), (2, 39062870), (4, 19531435), (5, 15625148), (7, 11160820), (10, 7812574), (11, 7102340), (14, 5580410), (20, 3906287), (22, 3551170), (28, 2790205), (35, 2232164), (44, 1775585), (55, 1420468), (70, 1116082), (77, 1014620), (97, 805420), (110, 710234), (140, 558041), (154, 507310), (194, 402710), (220, 355117), (308, 253655), (385, 202924), (388, 201355), (485, 161084), (523, 149380), (679, 115060), (770, 101462), (970, 80542), (1046, 74690), (1067, 73220), (1358, 57530), (1540, 50731), (1940, 40271), (2092, 37345), (2134, 36610), (2615, 29876), (2716, 28765), (3395, 23012), (3661, 21340), (4268, 18305), (5230, 14938), (5335, 14644), (5753, 13580), (6790, 11506), (7322, 10670), (7469, 10460)]