209950400

素因数分解:

$2^6\times 5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:263

約数の個数: 168

約数和(自身を含む): 574487040

約数和(自身を除く): 364536640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 79, 80, 88, 100, 110, 151, 158, 160, 176, 200, 220, 275, 302, 316, 320, 352, 395, 400, 440, 550, 604, 632, 704, 755, 790, 800, 869, 880, 1100, 1208, 1264, 1510, 1580, 1600, 1661, 1738, 1760, 1975, 2200, 2416, 2528, 3020, 3160, 3322, 3476, 3520, 3775, 3950, 4345, 4400, 4832, 5056, 6040, 6320, 6644, 6952, 7550, 7900, 8305, 8690, 8800, 9664, 11929, 12080, 12640, 13288, 13904, 15100, 15800, 16610, 17380, 17600, 21725, 23858, 24160, 25280, 26576, 27808, 30200, 31600, 33220, 34760, 41525, 43450, 47716, 48320, 53152, 55616, 59645, 60400, 63200, 66440, 69520, 83050, 86900, 95432, 106304, 119290, 120800, 126400, 131219, 132880, 139040, 166100, 173800, 190864, 238580, 241600, 262438, 265760, 278080, 298225, 332200, 347600, 381728, 477160, 524876, 531520, 596450, 656095, 664400, 695200, 763456, 954320, 1049752, 1192900, 1312190, 1328800, 1390400, 1908640, 2099504, 2385800, 2624380, 2657600, 3280475, 3817280, 4199008, 4771600, 5248760, 6560950, 8398016, 9543200, 10497520, 13121900, 19086400, 20995040, 26243800, 41990080, 52487600, 104975200, 209950400]

約数ペア:

[(1, 209950400), (2, 104975200), (4, 52487600), (5, 41990080), (8, 26243800), (10, 20995040), (11, 19086400), (16, 13121900), (20, 10497520), (22, 9543200), (25, 8398016), (32, 6560950), (40, 5248760), (44, 4771600), (50, 4199008), (55, 3817280), (64, 3280475), (79, 2657600), (80, 2624380), (88, 2385800), (100, 2099504), (110, 1908640), (151, 1390400), (158, 1328800), (160, 1312190), (176, 1192900), (200, 1049752), (220, 954320), (275, 763456), (302, 695200), (316, 664400), (320, 656095), (352, 596450), (395, 531520), (400, 524876), (440, 477160), (550, 381728), (604, 347600), (632, 332200), (704, 298225), (755, 278080), (790, 265760), (800, 262438), (869, 241600), (880, 238580), (1100, 190864), (1208, 173800), (1264, 166100), (1510, 139040), (1580, 132880), (1600, 131219), (1661, 126400), (1738, 120800), (1760, 119290), (1975, 106304), (2200, 95432), (2416, 86900), (2528, 83050), (3020, 69520), (3160, 66440), (3322, 63200), (3476, 60400), (3520, 59645), (3775, 55616), (3950, 53152), (4345, 48320), (4400, 47716), (4832, 43450), (5056, 41525), (6040, 34760), (6320, 33220), (6644, 31600), (6952, 30200), (7550, 27808), (7900, 26576), (8305, 25280), (8690, 24160), (8800, 23858), (9664, 21725), (11929, 17600), (12080, 17380), (12640, 16610), (13288, 15800), (13904, 15100)]