81680200

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1423}}^1$

素因数の和:1487

約数の個数: 96

約数和(自身を含む): 222485760

約数和(自身を除く): 140805560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 41, 50, 56, 70, 82, 100, 140, 164, 175, 200, 205, 280, 287, 328, 350, 410, 574, 700, 820, 1025, 1148, 1400, 1423, 1435, 1640, 2050, 2296, 2846, 2870, 4100, 5692, 5740, 7115, 7175, 8200, 9961, 11384, 11480, 14230, 14350, 19922, 28460, 28700, 35575, 39844, 49805, 56920, 57400, 58343, 71150, 79688, 99610, 116686, 142300, 199220, 233372, 249025, 284600, 291715, 398440, 408401, 466744, 498050, 583430, 816802, 996100, 1166860, 1458575, 1633604, 1992200, 2042005, 2333720, 2917150, 3267208, 4084010, 5834300, 8168020, 10210025, 11668600, 16336040, 20420050, 40840100, 81680200]

約数ペア:

[(1, 81680200), (2, 40840100), (4, 20420050), (5, 16336040), (7, 11668600), (8, 10210025), (10, 8168020), (14, 5834300), (20, 4084010), (25, 3267208), (28, 2917150), (35, 2333720), (40, 2042005), (41, 1992200), (50, 1633604), (56, 1458575), (70, 1166860), (82, 996100), (100, 816802), (140, 583430), (164, 498050), (175, 466744), (200, 408401), (205, 398440), (280, 291715), (287, 284600), (328, 249025), (350, 233372), (410, 199220), (574, 142300), (700, 116686), (820, 99610), (1025, 79688), (1148, 71150), (1400, 58343), (1423, 57400), (1435, 56920), (1640, 49805), (2050, 39844), (2296, 35575), (2846, 28700), (2870, 28460), (4100, 19922), (5692, 14350), (5740, 14230), (7115, 11480), (7175, 11384), (8200, 9961)]