257458968

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{467}}^1$

素因数の和:542

約数の個数: 192

約数和(自身を含む): 817689600

約数和(自身を除く): 560230632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 19, 24, 26, 31, 36, 38, 39, 52, 57, 62, 72, 76, 78, 93, 104, 114, 117, 124, 152, 156, 171, 186, 228, 234, 247, 248, 279, 312, 342, 372, 403, 456, 467, 468, 494, 558, 589, 684, 741, 744, 806, 934, 936, 988, 1116, 1178, 1209, 1368, 1401, 1482, 1612, 1767, 1868, 1976, 2223, 2232, 2356, 2418, 2802, 2964, 3224, 3534, 3627, 3736, 4203, 4446, 4712, 4836, 5301, 5604, 5928, 6071, 7068, 7254, 7657, 8406, 8873, 8892, 9672, 10602, 11208, 12142, 14136, 14477, 14508, 15314, 16812, 17746, 17784, 18213, 21204, 22971, 24284, 26619, 28954, 29016, 30628, 33624, 35492, 36426, 42408, 43431, 45942, 48568, 53238, 54639, 57908, 61256, 68913, 70984, 72852, 79857, 86862, 91884, 106476, 109278, 115349, 115816, 130293, 137826, 145704, 159714, 173724, 183768, 188201, 212952, 218556, 230698, 260586, 275063, 275652, 319428, 346047, 347448, 376402, 437112, 461396, 521172, 550126, 551304, 564603, 638856, 692094, 752804, 825189, 922792, 1038141, 1042344, 1100252, 1129206, 1384188, 1505608, 1650378, 1693809, 2076282, 2200504, 2258412, 2475567, 2768376, 3300756, 3387618, 3575819, 4152564, 4516824, 4951134, 6601512, 6775236, 7151638, 8305128, 9902268, 10727457, 13550472, 14303276, 19804536, 21454914, 28606552, 32182371, 42909828, 64364742, 85819656, 128729484, 257458968]

約数ペア:

[(1, 257458968), (2, 128729484), (3, 85819656), (4, 64364742), (6, 42909828), (8, 32182371), (9, 28606552), (12, 21454914), (13, 19804536), (18, 14303276), (19, 13550472), (24, 10727457), (26, 9902268), (31, 8305128), (36, 7151638), (38, 6775236), (39, 6601512), (52, 4951134), (57, 4516824), (62, 4152564), (72, 3575819), (76, 3387618), (78, 3300756), (93, 2768376), (104, 2475567), (114, 2258412), (117, 2200504), (124, 2076282), (152, 1693809), (156, 1650378), (171, 1505608), (186, 1384188), (228, 1129206), (234, 1100252), (247, 1042344), (248, 1038141), (279, 922792), (312, 825189), (342, 752804), (372, 692094), (403, 638856), (456, 564603), (467, 551304), (468, 550126), (494, 521172), (558, 461396), (589, 437112), (684, 376402), (741, 347448), (744, 346047), (806, 319428), (934, 275652), (936, 275063), (988, 260586), (1116, 230698), (1178, 218556), (1209, 212952), (1368, 188201), (1401, 183768), (1482, 173724), (1612, 159714), (1767, 145704), (1868, 137826), (1976, 130293), (2223, 115816), (2232, 115349), (2356, 109278), (2418, 106476), (2802, 91884), (2964, 86862), (3224, 79857), (3534, 72852), (3627, 70984), (3736, 68913), (4203, 61256), (4446, 57908), (4712, 54639), (4836, 53238), (5301, 48568), (5604, 45942), (5928, 43431), (6071, 42408), (7068, 36426), (7254, 35492), (7657, 33624), (8406, 30628), (8873, 29016), (8892, 28954), (9672, 26619), (10602, 24284), (11208, 22971), (12142, 21204), (14136, 18213), (14477, 17784), (14508, 17746), (15314, 16812)]