205551500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1$

素因数の和:337

約数の個数: 192

約数和(自身を含む): 591252480

約数和(自身を除く): 385700980

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 25, 28, 35, 38, 44, 50, 55, 70, 76, 77, 95, 100, 110, 125, 133, 140, 154, 175, 190, 209, 220, 250, 266, 275, 281, 308, 350, 380, 385, 418, 475, 500, 532, 550, 562, 665, 700, 770, 836, 875, 950, 1045, 1100, 1124, 1330, 1375, 1405, 1463, 1540, 1750, 1900, 1925, 1967, 2090, 2375, 2660, 2750, 2810, 2926, 3091, 3325, 3500, 3850, 3934, 4180, 4750, 5225, 5339, 5500, 5620, 5852, 6182, 6650, 7025, 7315, 7700, 7868, 9500, 9625, 9835, 10450, 10678, 12364, 13300, 14050, 14630, 15455, 16625, 19250, 19670, 20900, 21356, 21637, 26125, 26695, 28100, 29260, 30910, 33250, 35125, 36575, 37373, 38500, 39340, 43274, 49175, 52250, 53390, 58729, 61820, 66500, 70250, 73150, 74746, 77275, 86548, 98350, 104500, 106780, 108185, 117458, 133475, 140500, 146300, 149492, 154550, 182875, 186865, 196700, 216370, 234916, 245875, 266950, 293645, 309100, 365750, 373730, 386375, 411103, 432740, 491750, 533900, 540925, 587290, 667375, 731500, 747460, 772750, 822206, 934325, 983500, 1081850, 1174580, 1334750, 1468225, 1545500, 1644412, 1868650, 2055515, 2163700, 2669500, 2704625, 2936450, 3737300, 4111030, 4671625, 5409250, 5872900, 7341125, 8222060, 9343250, 10277575, 10818500, 14682250, 18686500, 20555150, 29364500, 41110300, 51387875, 102775750, 205551500]

約数ペア:

[(1, 205551500), (2, 102775750), (4, 51387875), (5, 41110300), (7, 29364500), (10, 20555150), (11, 18686500), (14, 14682250), (19, 10818500), (20, 10277575), (22, 9343250), (25, 8222060), (28, 7341125), (35, 5872900), (38, 5409250), (44, 4671625), (50, 4111030), (55, 3737300), (70, 2936450), (76, 2704625), (77, 2669500), (95, 2163700), (100, 2055515), (110, 1868650), (125, 1644412), (133, 1545500), (140, 1468225), (154, 1334750), (175, 1174580), (190, 1081850), (209, 983500), (220, 934325), (250, 822206), (266, 772750), (275, 747460), (281, 731500), (308, 667375), (350, 587290), (380, 540925), (385, 533900), (418, 491750), (475, 432740), (500, 411103), (532, 386375), (550, 373730), (562, 365750), (665, 309100), (700, 293645), (770, 266950), (836, 245875), (875, 234916), (950, 216370), (1045, 196700), (1100, 186865), (1124, 182875), (1330, 154550), (1375, 149492), (1405, 146300), (1463, 140500), (1540, 133475), (1750, 117458), (1900, 108185), (1925, 106780), (1967, 104500), (2090, 98350), (2375, 86548), (2660, 77275), (2750, 74746), (2810, 73150), (2926, 70250), (3091, 66500), (3325, 61820), (3500, 58729), (3850, 53390), (3934, 52250), (4180, 49175), (4750, 43274), (5225, 39340), (5339, 38500), (5500, 37373), (5620, 36575), (5852, 35125), (6182, 33250), (6650, 30910), (7025, 29260), (7315, 28100), (7700, 26695), (7868, 26125), (9500, 21637), (9625, 21356), (9835, 20900), (10450, 19670), (10678, 19250), (12364, 16625), (13300, 15455), (14050, 14630)]