637263340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{1051}}^1$

素因数の和:1199

約数の個数: 96

約数和(自身を含む): 1577899008

約数和(自身を除く): 940635668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 71, 122, 140, 142, 244, 284, 305, 355, 427, 497, 610, 710, 854, 994, 1051, 1220, 1420, 1708, 1988, 2102, 2135, 2485, 4204, 4270, 4331, 4970, 5255, 7357, 8540, 8662, 9940, 10510, 14714, 17324, 21020, 21655, 29428, 30317, 36785, 43310, 60634, 64111, 73570, 74621, 86620, 121268, 128222, 147140, 149242, 151585, 256444, 298484, 303170, 320555, 373105, 448777, 522347, 606340, 641110, 746210, 897554, 1044694, 1282220, 1492420, 1795108, 2089388, 2243885, 2611735, 4487770, 4551881, 5223470, 8975540, 9103762, 10446940, 18207524, 22759405, 31863167, 45518810, 63726334, 91037620, 127452668, 159315835, 318631670, 637263340]

約数ペア:

[(1, 637263340), (2, 318631670), (4, 159315835), (5, 127452668), (7, 91037620), (10, 63726334), (14, 45518810), (20, 31863167), (28, 22759405), (35, 18207524), (61, 10446940), (70, 9103762), (71, 8975540), (122, 5223470), (140, 4551881), (142, 4487770), (244, 2611735), (284, 2243885), (305, 2089388), (355, 1795108), (427, 1492420), (497, 1282220), (610, 1044694), (710, 897554), (854, 746210), (994, 641110), (1051, 606340), (1220, 522347), (1420, 448777), (1708, 373105), (1988, 320555), (2102, 303170), (2135, 298484), (2485, 256444), (4204, 151585), (4270, 149242), (4331, 147140), (4970, 128222), (5255, 121268), (7357, 86620), (8540, 74621), (8662, 73570), (9940, 64111), (10510, 60634), (14714, 43310), (17324, 36785), (21020, 30317), (21655, 29428)]