51478600

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:108

約数の個数: 144

約数和(自身を含む): 136062720

約数和(自身を除く): 84584120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 25, 31, 38, 40, 46, 50, 62, 76, 92, 95, 100, 115, 124, 152, 155, 184, 190, 200, 230, 248, 310, 361, 380, 437, 460, 475, 575, 589, 620, 713, 722, 760, 775, 874, 920, 950, 1150, 1178, 1240, 1426, 1444, 1550, 1748, 1805, 1900, 2185, 2300, 2356, 2852, 2888, 2945, 3100, 3496, 3565, 3610, 3800, 4370, 4600, 4712, 5704, 5890, 6200, 7130, 7220, 8303, 8740, 9025, 10925, 11191, 11780, 13547, 14260, 14440, 14725, 16606, 17480, 17825, 18050, 21850, 22382, 23560, 27094, 28520, 29450, 33212, 35650, 36100, 41515, 43700, 44764, 54188, 55955, 58900, 66424, 67735, 71300, 72200, 83030, 87400, 89528, 108376, 111910, 117800, 135470, 142600, 166060, 207575, 223820, 257393, 270940, 279775, 332120, 338675, 415150, 447640, 514786, 541880, 559550, 677350, 830300, 1029572, 1119100, 1286965, 1354700, 1660600, 2059144, 2238200, 2573930, 2709400, 5147860, 6434825, 10295720, 12869650, 25739300, 51478600]

約数ペア:

[(1, 51478600), (2, 25739300), (4, 12869650), (5, 10295720), (8, 6434825), (10, 5147860), (19, 2709400), (20, 2573930), (23, 2238200), (25, 2059144), (31, 1660600), (38, 1354700), (40, 1286965), (46, 1119100), (50, 1029572), (62, 830300), (76, 677350), (92, 559550), (95, 541880), (100, 514786), (115, 447640), (124, 415150), (152, 338675), (155, 332120), (184, 279775), (190, 270940), (200, 257393), (230, 223820), (248, 207575), (310, 166060), (361, 142600), (380, 135470), (437, 117800), (460, 111910), (475, 108376), (575, 89528), (589, 87400), (620, 83030), (713, 72200), (722, 71300), (760, 67735), (775, 66424), (874, 58900), (920, 55955), (950, 54188), (1150, 44764), (1178, 43700), (1240, 41515), (1426, 36100), (1444, 35650), (1550, 33212), (1748, 29450), (1805, 28520), (1900, 27094), (2185, 23560), (2300, 22382), (2356, 21850), (2852, 18050), (2888, 17825), (2945, 17480), (3100, 16606), (3496, 14725), (3565, 14440), (3610, 14260), (3800, 13547), (4370, 11780), (4600, 11191), (4712, 10925), (5704, 9025), (5890, 8740), (6200, 8303), (7130, 7220)]