219630520

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{148399}}^1$

素因数の和:148447

約数の個数: 32

約数和(自身を含む): 507528000

約数和(自身を除く): 287897480

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 148399, 296798, 593596, 741995, 1187192, 1483990, 2967980, 5490763, 5935960, 10981526, 21963052, 27453815, 43926104, 54907630, 109815260, 219630520]

約数ペア:

[(1, 219630520), (2, 109815260), (4, 54907630), (5, 43926104), (8, 27453815), (10, 21963052), (20, 10981526), (37, 5935960), (40, 5490763), (74, 2967980), (148, 1483990), (185, 1187192), (296, 741995), (370, 593596), (740, 296798), (1480, 148399)]