840421036

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1049}}^1$

素因数の和:1175

約数の個数: 96

約数和(自身を含む): 1896652800

約数和(自身を除く): 1056231764

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 71, 91, 124, 142, 182, 217, 284, 364, 403, 434, 497, 806, 868, 923, 994, 1049, 1612, 1846, 1988, 2098, 2201, 2821, 3692, 4196, 4402, 5642, 6461, 7343, 8804, 11284, 12922, 13637, 14686, 15407, 25844, 27274, 28613, 29372, 30814, 32519, 54548, 57226, 61628, 65038, 74479, 95459, 114452, 130076, 148958, 190918, 200291, 227633, 297916, 381836, 400582, 422747, 455266, 521353, 801164, 845494, 910532, 968227, 1042706, 1690988, 1936454, 2085412, 2308849, 2959229, 3872908, 4617698, 5918458, 6777589, 9235396, 11836916, 13555178, 16161943, 27110356, 30015037, 32323886, 60030074, 64647772, 120060148, 210105259, 420210518, 840421036]

約数ペア:

[(1, 840421036), (2, 420210518), (4, 210105259), (7, 120060148), (13, 64647772), (14, 60030074), (26, 32323886), (28, 30015037), (31, 27110356), (52, 16161943), (62, 13555178), (71, 11836916), (91, 9235396), (124, 6777589), (142, 5918458), (182, 4617698), (217, 3872908), (284, 2959229), (364, 2308849), (403, 2085412), (434, 1936454), (497, 1690988), (806, 1042706), (868, 968227), (923, 910532), (994, 845494), (1049, 801164), (1612, 521353), (1846, 455266), (1988, 422747), (2098, 400582), (2201, 381836), (2821, 297916), (3692, 227633), (4196, 200291), (4402, 190918), (5642, 148958), (6461, 130076), (7343, 114452), (8804, 95459), (11284, 74479), (12922, 65038), (13637, 61628), (14686, 57226), (15407, 54548), (25844, 32519), (27274, 30814), (28613, 29372)]