177540020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1268143}}^1$

素因数の和:1268159

約数の個数: 24

約数和(自身を含む): 426096384

約数和(自身を除く): 248556364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1268143, 2536286, 5072572, 6340715, 8877001, 12681430, 17754002, 25362860, 35508004, 44385005, 88770010, 177540020]

約数ペア:

[(1, 177540020), (2, 88770010), (4, 44385005), (5, 35508004), (7, 25362860), (10, 17754002), (14, 12681430), (20, 8877001), (28, 6340715), (35, 5072572), (70, 2536286), (140, 1268143)]