490002968

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^3\times {\mathrm{137}}^1$

素因数の和:214

約数の個数: 128

約数和(自身を含む): 1210204800

約数和(自身を除く): 720201832

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 34, 52, 56, 68, 91, 104, 119, 136, 137, 182, 221, 238, 274, 289, 364, 442, 476, 548, 578, 728, 884, 952, 959, 1096, 1156, 1547, 1768, 1781, 1918, 2023, 2312, 2329, 3094, 3562, 3757, 3836, 4046, 4658, 4913, 6188, 7124, 7514, 7672, 8092, 9316, 9826, 12376, 12467, 14248, 15028, 16184, 16303, 18632, 19652, 24934, 26299, 30056, 30277, 32606, 34391, 39304, 39593, 49868, 52598, 60554, 63869, 65212, 68782, 79186, 99736, 105196, 121108, 127738, 130424, 137564, 158372, 210392, 211939, 242216, 255476, 275128, 277151, 316744, 423878, 447083, 510952, 514709, 554302, 673081, 847756, 894166, 1029418, 1108604, 1346162, 1695512, 1788332, 2058836, 2217208, 2692324, 3576664, 3602963, 4117672, 4711567, 5384648, 7205926, 8750053, 9423134, 14411852, 17500106, 18846268, 28823704, 35000212, 37692536, 61250371, 70000424, 122500742, 245001484, 490002968]

約数ペア:

[(1, 490002968), (2, 245001484), (4, 122500742), (7, 70000424), (8, 61250371), (13, 37692536), (14, 35000212), (17, 28823704), (26, 18846268), (28, 17500106), (34, 14411852), (52, 9423134), (56, 8750053), (68, 7205926), (91, 5384648), (104, 4711567), (119, 4117672), (136, 3602963), (137, 3576664), (182, 2692324), (221, 2217208), (238, 2058836), (274, 1788332), (289, 1695512), (364, 1346162), (442, 1108604), (476, 1029418), (548, 894166), (578, 847756), (728, 673081), (884, 554302), (952, 514709), (959, 510952), (1096, 447083), (1156, 423878), (1547, 316744), (1768, 277151), (1781, 275128), (1918, 255476), (2023, 242216), (2312, 211939), (2329, 210392), (3094, 158372), (3562, 137564), (3757, 130424), (3836, 127738), (4046, 121108), (4658, 105196), (4913, 99736), (6188, 79186), (7124, 68782), (7514, 65212), (7672, 63869), (8092, 60554), (9316, 52598), (9826, 49868), (12376, 39593), (12467, 39304), (14248, 34391), (15028, 32606), (16184, 30277), (16303, 30056), (18632, 26299), (19652, 24934)]