139993280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{62497}}^1$

素因数の和:62521

約数の個数: 56

約数和(自身を含む): 380987808

約数和(自身を除く): 240994528

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 62497, 124994, 249988, 312485, 437479, 499976, 624970, 874958, 999952, 1249940, 1749916, 1999904, 2187395, 2499880, 3499832, 3999808, 4374790, 4999760, 6999664, 8749580, 9999520, 13999328, 17499160, 19999040, 27998656, 34998320, 69996640, 139993280]

約数ペア:

[(1, 139993280), (2, 69996640), (4, 34998320), (5, 27998656), (7, 19999040), (8, 17499160), (10, 13999328), (14, 9999520), (16, 8749580), (20, 6999664), (28, 4999760), (32, 4374790), (35, 3999808), (40, 3499832), (56, 2499880), (64, 2187395), (70, 1999904), (80, 1749916), (112, 1249940), (140, 999952), (160, 874958), (224, 624970), (280, 499976), (320, 437479), (448, 312485), (560, 249988), (1120, 124994), (2240, 62497)]