211330400

素因数分解:

$2^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{379}}^1$

素因数の和:457

約数の個数: 144

約数和(自身を含む): 561057840

約数和(自身を除く): 349727440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 41, 50, 68, 80, 82, 85, 100, 136, 160, 164, 170, 200, 205, 272, 328, 340, 379, 400, 410, 425, 544, 656, 680, 697, 758, 800, 820, 850, 1025, 1312, 1360, 1394, 1516, 1640, 1700, 1895, 2050, 2720, 2788, 3032, 3280, 3400, 3485, 3790, 4100, 5576, 6064, 6443, 6560, 6800, 6970, 7580, 8200, 9475, 11152, 12128, 12886, 13600, 13940, 15160, 15539, 16400, 17425, 18950, 22304, 25772, 27880, 30320, 31078, 32215, 32800, 34850, 37900, 51544, 55760, 60640, 62156, 64430, 69700, 75800, 77695, 103088, 111520, 124312, 128860, 139400, 151600, 155390, 161075, 206176, 248624, 257720, 264163, 278800, 303200, 310780, 322150, 388475, 497248, 515440, 528326, 557600, 621560, 644300, 776950, 1030880, 1056652, 1243120, 1288600, 1320815, 1553900, 2113304, 2486240, 2577200, 2641630, 3107800, 4226608, 5154400, 5283260, 6215600, 6604075, 8453216, 10566520, 12431200, 13208150, 21133040, 26416300, 42266080, 52832600, 105665200, 211330400]

約数ペア:

[(1, 211330400), (2, 105665200), (4, 52832600), (5, 42266080), (8, 26416300), (10, 21133040), (16, 13208150), (17, 12431200), (20, 10566520), (25, 8453216), (32, 6604075), (34, 6215600), (40, 5283260), (41, 5154400), (50, 4226608), (68, 3107800), (80, 2641630), (82, 2577200), (85, 2486240), (100, 2113304), (136, 1553900), (160, 1320815), (164, 1288600), (170, 1243120), (200, 1056652), (205, 1030880), (272, 776950), (328, 644300), (340, 621560), (379, 557600), (400, 528326), (410, 515440), (425, 497248), (544, 388475), (656, 322150), (680, 310780), (697, 303200), (758, 278800), (800, 264163), (820, 257720), (850, 248624), (1025, 206176), (1312, 161075), (1360, 155390), (1394, 151600), (1516, 139400), (1640, 128860), (1700, 124312), (1895, 111520), (2050, 103088), (2720, 77695), (2788, 75800), (3032, 69700), (3280, 64430), (3400, 62156), (3485, 60640), (3790, 55760), (4100, 51544), (5576, 37900), (6064, 34850), (6443, 32800), (6560, 32215), (6800, 31078), (6970, 30320), (7580, 27880), (8200, 25772), (9475, 22304), (11152, 18950), (12128, 17425), (12886, 16400), (13600, 15539), (13940, 15160)]