204393040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1097}}^1$

素因数の和:1264

約数の個数: 80

約数和(自身を含む): 507302352

約数和(自身を除く): 302909312

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 137, 170, 272, 274, 340, 548, 680, 685, 1096, 1097, 1360, 1370, 2192, 2194, 2329, 2740, 4388, 4658, 5480, 5485, 8776, 9316, 10960, 10970, 11645, 17552, 18632, 18649, 21940, 23290, 37264, 37298, 43880, 46580, 74596, 87760, 93160, 93245, 149192, 150289, 186320, 186490, 298384, 300578, 372980, 601156, 745960, 751445, 1202312, 1491920, 1502890, 2404624, 2554913, 3005780, 5109826, 6011560, 10219652, 12023120, 12774565, 20439304, 25549130, 40878608, 51098260, 102196520, 204393040]

約数ペア:

[(1, 204393040), (2, 102196520), (4, 51098260), (5, 40878608), (8, 25549130), (10, 20439304), (16, 12774565), (17, 12023120), (20, 10219652), (34, 6011560), (40, 5109826), (68, 3005780), (80, 2554913), (85, 2404624), (136, 1502890), (137, 1491920), (170, 1202312), (272, 751445), (274, 745960), (340, 601156), (548, 372980), (680, 300578), (685, 298384), (1096, 186490), (1097, 186320), (1360, 150289), (1370, 149192), (2192, 93245), (2194, 93160), (2329, 87760), (2740, 74596), (4388, 46580), (4658, 43880), (5480, 37298), (5485, 37264), (8776, 23290), (9316, 21940), (10960, 18649), (10970, 18632), (11645, 17552)]