2019467440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{12899}}^1$

素因数の和:13034

約数の個数: 80

約数和(自身を含む): 4990752000

約数和(自身を除く): 2971284560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 103, 152, 190, 206, 304, 380, 412, 515, 760, 824, 1030, 1520, 1648, 1957, 2060, 3914, 4120, 7828, 8240, 9785, 12899, 15656, 19570, 25798, 31312, 39140, 51596, 64495, 78280, 103192, 128990, 156560, 206384, 245081, 257980, 490162, 515960, 980324, 1031920, 1225405, 1328597, 1960648, 2450810, 2657194, 3921296, 4901620, 5314388, 6642985, 9803240, 10628776, 13285970, 19606480, 21257552, 25243343, 26571940, 50486686, 53143880, 100973372, 106287760, 126216715, 201946744, 252433430, 403893488, 504866860, 1009733720, 2019467440]

約数ペア:

[(1, 2019467440), (2, 1009733720), (4, 504866860), (5, 403893488), (8, 252433430), (10, 201946744), (16, 126216715), (19, 106287760), (20, 100973372), (38, 53143880), (40, 50486686), (76, 26571940), (80, 25243343), (95, 21257552), (103, 19606480), (152, 13285970), (190, 10628776), (206, 9803240), (304, 6642985), (380, 5314388), (412, 4901620), (515, 3921296), (760, 2657194), (824, 2450810), (1030, 1960648), (1520, 1328597), (1648, 1225405), (1957, 1031920), (2060, 980324), (3914, 515960), (4120, 490162), (7828, 257980), (8240, 245081), (9785, 206384), (12899, 156560), (15656, 128990), (19570, 103192), (25798, 78280), (31312, 64495), (39140, 51596)]