214690400

素因数分解:

$2^5\times 5^2\times {\mathrm{43}}^1\times {\mathrm{79}}^2$

素因数の和:221

約数の個数: 108

約数和(自身を含む): 543176172

約数和(自身を除く): 328485772

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 79, 80, 86, 100, 158, 160, 172, 200, 215, 316, 344, 395, 400, 430, 632, 688, 790, 800, 860, 1075, 1264, 1376, 1580, 1720, 1975, 2150, 2528, 3160, 3397, 3440, 3950, 4300, 6241, 6320, 6794, 6880, 7900, 8600, 12482, 12640, 13588, 15800, 16985, 17200, 24964, 27176, 31205, 31600, 33970, 34400, 49928, 54352, 62410, 63200, 67940, 84925, 99856, 108704, 124820, 135880, 156025, 169850, 199712, 249640, 268363, 271760, 312050, 339700, 499280, 536726, 543520, 624100, 679400, 998560, 1073452, 1248200, 1341815, 1358800, 2146904, 2496400, 2683630, 2717600, 4293808, 4992800, 5367260, 6709075, 8587616, 10734520, 13418150, 21469040, 26836300, 42938080, 53672600, 107345200, 214690400]

約数ペア:

[(1, 214690400), (2, 107345200), (4, 53672600), (5, 42938080), (8, 26836300), (10, 21469040), (16, 13418150), (20, 10734520), (25, 8587616), (32, 6709075), (40, 5367260), (43, 4992800), (50, 4293808), (79, 2717600), (80, 2683630), (86, 2496400), (100, 2146904), (158, 1358800), (160, 1341815), (172, 1248200), (200, 1073452), (215, 998560), (316, 679400), (344, 624100), (395, 543520), (400, 536726), (430, 499280), (632, 339700), (688, 312050), (790, 271760), (800, 268363), (860, 249640), (1075, 199712), (1264, 169850), (1376, 156025), (1580, 135880), (1720, 124820), (1975, 108704), (2150, 99856), (2528, 84925), (3160, 67940), (3397, 63200), (3440, 62410), (3950, 54352), (4300, 49928), (6241, 34400), (6320, 33970), (6794, 31600), (6880, 31205), (7900, 27176), (8600, 24964), (12482, 17200), (12640, 16985), (13588, 15800)]