138819996

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{557}}^1$

素因数の和:640

約数の個数: 144

約数和(自身を含む): 428972544

約数和(自身を除く): 290152548

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 43, 46, 63, 69, 84, 86, 92, 126, 129, 138, 161, 172, 207, 252, 258, 276, 301, 322, 387, 414, 483, 516, 557, 602, 644, 774, 828, 903, 966, 989, 1114, 1204, 1449, 1548, 1671, 1806, 1932, 1978, 2228, 2709, 2898, 2967, 3342, 3612, 3899, 3956, 5013, 5418, 5796, 5934, 6684, 6923, 7798, 8901, 10026, 10836, 11697, 11868, 12811, 13846, 15596, 17802, 20052, 20769, 23394, 23951, 25622, 27692, 35091, 35604, 38433, 41538, 46788, 47902, 51244, 62307, 70182, 71853, 76866, 83076, 89677, 95804, 115299, 124614, 140364, 143706, 153732, 167657, 179354, 215559, 230598, 249228, 269031, 287412, 335314, 358708, 431118, 461196, 502971, 538062, 550873, 670628, 807093, 862236, 1005942, 1076124, 1101746, 1508913, 1614186, 1652619, 2011884, 2203492, 3017826, 3228372, 3305238, 3856111, 4957857, 6035652, 6610476, 7712222, 9915714, 11568333, 15424444, 19831428, 23136666, 34704999, 46273332, 69409998, 138819996]

約数ペア:

[(1, 138819996), (2, 69409998), (3, 46273332), (4, 34704999), (6, 23136666), (7, 19831428), (9, 15424444), (12, 11568333), (14, 9915714), (18, 7712222), (21, 6610476), (23, 6035652), (28, 4957857), (36, 3856111), (42, 3305238), (43, 3228372), (46, 3017826), (63, 2203492), (69, 2011884), (84, 1652619), (86, 1614186), (92, 1508913), (126, 1101746), (129, 1076124), (138, 1005942), (161, 862236), (172, 807093), (207, 670628), (252, 550873), (258, 538062), (276, 502971), (301, 461196), (322, 431118), (387, 358708), (414, 335314), (483, 287412), (516, 269031), (557, 249228), (602, 230598), (644, 215559), (774, 179354), (828, 167657), (903, 153732), (966, 143706), (989, 140364), (1114, 124614), (1204, 115299), (1449, 95804), (1548, 89677), (1671, 83076), (1806, 76866), (1932, 71853), (1978, 70182), (2228, 62307), (2709, 51244), (2898, 47902), (2967, 46788), (3342, 41538), (3612, 38433), (3899, 35604), (3956, 35091), (5013, 27692), (5418, 25622), (5796, 23951), (5934, 23394), (6684, 20769), (6923, 20052), (7798, 17802), (8901, 15596), (10026, 13846), (10836, 12811), (11697, 11868)]