290437308

素因数分解:

$2^2\times 3^2\times 7^3\times {\mathrm{43}}^1\times {\mathrm{547}}^1$

素因数の和:621

約数の個数: 144

約数和(自身を含む): 877676800

約数和(自身を除く): 587239492

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 43, 49, 63, 84, 86, 98, 126, 129, 147, 172, 196, 252, 258, 294, 301, 343, 387, 441, 516, 547, 588, 602, 686, 774, 882, 903, 1029, 1094, 1204, 1372, 1548, 1641, 1764, 1806, 2058, 2107, 2188, 2709, 3087, 3282, 3612, 3829, 4116, 4214, 4923, 5418, 6174, 6321, 6564, 7658, 8428, 9846, 10836, 11487, 12348, 12642, 14749, 15316, 18963, 19692, 22974, 23521, 25284, 26803, 29498, 34461, 37926, 44247, 45948, 47042, 53606, 58996, 68922, 70563, 75852, 80409, 88494, 94084, 107212, 132741, 137844, 141126, 160818, 164647, 176988, 187621, 211689, 241227, 265482, 282252, 321636, 329294, 375242, 423378, 482454, 493941, 530964, 562863, 658588, 750484, 846756, 964908, 987882, 1125726, 1152529, 1481823, 1688589, 1975764, 2251452, 2305058, 2963646, 3377178, 3457587, 4610116, 5927292, 6754356, 6915174, 8067703, 10372761, 13830348, 16135406, 20745522, 24203109, 32270812, 41491044, 48406218, 72609327, 96812436, 145218654, 290437308]

約数ペア:

[(1, 290437308), (2, 145218654), (3, 96812436), (4, 72609327), (6, 48406218), (7, 41491044), (9, 32270812), (12, 24203109), (14, 20745522), (18, 16135406), (21, 13830348), (28, 10372761), (36, 8067703), (42, 6915174), (43, 6754356), (49, 5927292), (63, 4610116), (84, 3457587), (86, 3377178), (98, 2963646), (126, 2305058), (129, 2251452), (147, 1975764), (172, 1688589), (196, 1481823), (252, 1152529), (258, 1125726), (294, 987882), (301, 964908), (343, 846756), (387, 750484), (441, 658588), (516, 562863), (547, 530964), (588, 493941), (602, 482454), (686, 423378), (774, 375242), (882, 329294), (903, 321636), (1029, 282252), (1094, 265482), (1204, 241227), (1372, 211689), (1548, 187621), (1641, 176988), (1764, 164647), (1806, 160818), (2058, 141126), (2107, 137844), (2188, 132741), (2709, 107212), (3087, 94084), (3282, 88494), (3612, 80409), (3829, 75852), (4116, 70563), (4214, 68922), (4923, 58996), (5418, 53606), (6174, 47042), (6321, 45948), (6564, 44247), (7658, 37926), (8428, 34461), (9846, 29498), (10836, 26803), (11487, 25284), (12348, 23521), (12642, 22974), (14749, 19692), (15316, 18963)]