204564990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1033}}^1$

素因数の和:1114

約数の個数: 128

約数和(自身を含む): 600348672

約数和(自身を除く): 395783682

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 41, 42, 46, 69, 70, 82, 105, 115, 123, 138, 161, 205, 210, 230, 246, 287, 322, 345, 410, 483, 574, 615, 690, 805, 861, 943, 966, 1033, 1230, 1435, 1610, 1722, 1886, 2066, 2415, 2829, 2870, 3099, 4305, 4715, 4830, 5165, 5658, 6198, 6601, 7231, 8610, 9430, 10330, 13202, 14145, 14462, 15495, 19803, 21693, 23759, 28290, 30990, 33005, 36155, 39606, 42353, 43386, 47518, 66010, 71277, 72310, 84706, 99015, 108465, 118795, 127059, 142554, 166313, 198030, 211765, 216930, 237590, 254118, 296471, 332626, 356385, 423530, 498939, 592942, 635295, 712770, 831565, 889413, 974119, 997878, 1270590, 1482355, 1663130, 1778826, 1948238, 2494695, 2922357, 2964710, 4447065, 4870595, 4989390, 5844714, 6818833, 8894130, 9741190, 13637666, 14611785, 20456499, 29223570, 34094165, 40912998, 68188330, 102282495, 204564990]

約数ペア:

[(1, 204564990), (2, 102282495), (3, 68188330), (5, 40912998), (6, 34094165), (7, 29223570), (10, 20456499), (14, 14611785), (15, 13637666), (21, 9741190), (23, 8894130), (30, 6818833), (35, 5844714), (41, 4989390), (42, 4870595), (46, 4447065), (69, 2964710), (70, 2922357), (82, 2494695), (105, 1948238), (115, 1778826), (123, 1663130), (138, 1482355), (161, 1270590), (205, 997878), (210, 974119), (230, 889413), (246, 831565), (287, 712770), (322, 635295), (345, 592942), (410, 498939), (483, 423530), (574, 356385), (615, 332626), (690, 296471), (805, 254118), (861, 237590), (943, 216930), (966, 211765), (1033, 198030), (1230, 166313), (1435, 142554), (1610, 127059), (1722, 118795), (1886, 108465), (2066, 99015), (2415, 84706), (2829, 72310), (2870, 71277), (3099, 66010), (4305, 47518), (4715, 43386), (4830, 42353), (5165, 39606), (5658, 36155), (6198, 33005), (6601, 30990), (7231, 28290), (8610, 23759), (9430, 21693), (10330, 19803), (13202, 15495), (14145, 14462)]