20199180050

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{29}}^2\times {\mathrm{163}}^1\times {\mathrm{421}}^1$

素因数の和:661

約数の個数: 144

約数和(自身を含む): 44848444992

約数和(自身を除く): 24649264942

約数列:

[1, 2, 5, 7, 10, 14, 25, 29, 35, 50, 58, 70, 145, 163, 175, 203, 290, 326, 350, 406, 421, 725, 815, 841, 842, 1015, 1141, 1450, 1630, 1682, 2030, 2105, 2282, 2947, 4075, 4205, 4210, 4727, 5075, 5705, 5887, 5894, 8150, 8410, 9454, 10150, 10525, 11410, 11774, 12209, 14735, 21025, 21050, 23635, 24418, 28525, 29435, 29470, 33089, 42050, 47270, 57050, 58870, 61045, 66178, 68623, 73675, 85463, 118175, 122090, 137083, 137246, 147175, 147350, 165445, 170926, 236350, 274166, 294350, 305225, 330890, 343115, 354061, 427315, 480361, 610450, 685415, 686230, 708122, 827225, 854630, 959581, 960722, 1370830, 1654450, 1715575, 1770305, 1919162, 1990067, 2136575, 2401805, 2478427, 3427075, 3431150, 3540610, 3980134, 4273150, 4797905, 4803610, 4956854, 6854150, 8851525, 9595810, 9950335, 12009025, 12392135, 13930469, 17703050, 19900670, 23989525, 24018050, 24784270, 27860938, 47979050, 49751675, 57711943, 61960675, 69652345, 99503350, 115423886, 123921350, 139304690, 288559715, 348261725, 403983601, 577119430, 696523450, 807967202, 1442798575, 2019918005, 2885597150, 4039836010, 10099590025, 20199180050]

約数ペア:

[(1, 20199180050), (2, 10099590025), (5, 4039836010), (7, 2885597150), (10, 2019918005), (14, 1442798575), (25, 807967202), (29, 696523450), (35, 577119430), (50, 403983601), (58, 348261725), (70, 288559715), (145, 139304690), (163, 123921350), (175, 115423886), (203, 99503350), (290, 69652345), (326, 61960675), (350, 57711943), (406, 49751675), (421, 47979050), (725, 27860938), (815, 24784270), (841, 24018050), (842, 23989525), (1015, 19900670), (1141, 17703050), (1450, 13930469), (1630, 12392135), (1682, 12009025), (2030, 9950335), (2105, 9595810), (2282, 8851525), (2947, 6854150), (4075, 4956854), (4205, 4803610), (4210, 4797905), (4727, 4273150), (5075, 3980134), (5705, 3540610), (5887, 3431150), (5894, 3427075), (8150, 2478427), (8410, 2401805), (9454, 2136575), (10150, 1990067), (10525, 1919162), (11410, 1770305), (11774, 1715575), (12209, 1654450), (14735, 1370830), (21025, 960722), (21050, 959581), (23635, 854630), (24418, 827225), (28525, 708122), (29435, 686230), (29470, 685415), (33089, 610450), (42050, 480361), (47270, 427315), (57050, 354061), (58870, 343115), (61045, 330890), (66178, 305225), (68623, 294350), (73675, 274166), (85463, 236350), (118175, 170926), (122090, 165445), (137083, 147350), (137246, 147175)]