2181228700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{76001}}^1$

素因数の和:76063

約数の個数: 72

約数和(自身を含む): 5541457824

約数和(自身を除く): 3360229124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 41, 50, 70, 82, 100, 140, 164, 175, 205, 287, 350, 410, 574, 700, 820, 1025, 1148, 1435, 2050, 2870, 4100, 5740, 7175, 14350, 28700, 76001, 152002, 304004, 380005, 532007, 760010, 1064014, 1520020, 1900025, 2128028, 2660035, 3116041, 3800050, 5320070, 6232082, 7600100, 10640140, 12464164, 13300175, 15580205, 21812287, 26600350, 31160410, 43624574, 53200700, 62320820, 77901025, 87249148, 109061435, 155802050, 218122870, 311604100, 436245740, 545307175, 1090614350, 2181228700]

約数ペア:

[(1, 2181228700), (2, 1090614350), (4, 545307175), (5, 436245740), (7, 311604100), (10, 218122870), (14, 155802050), (20, 109061435), (25, 87249148), (28, 77901025), (35, 62320820), (41, 53200700), (50, 43624574), (70, 31160410), (82, 26600350), (100, 21812287), (140, 15580205), (164, 13300175), (175, 12464164), (205, 10640140), (287, 7600100), (350, 6232082), (410, 5320070), (574, 3800050), (700, 3116041), (820, 2660035), (1025, 2128028), (1148, 1900025), (1435, 1520020), (2050, 1064014), (2870, 760010), (4100, 532007), (5740, 380005), (7175, 304004), (14350, 152002), (28700, 76001)]