840210

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{4001}}^1$

素因数の和:4018

約数の個数: 32

約数和(自身を含む): 2305152

約数和(自身を除く): 1464942

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 4001, 8002, 12003, 20005, 24006, 28007, 40010, 56014, 60015, 84021, 120030, 140035, 168042, 280070, 420105, 840210]

約数ペア:

[(1, 840210), (2, 420105), (3, 280070), (5, 168042), (6, 140035), (7, 120030), (10, 84021), (14, 60015), (15, 56014), (21, 40010), (30, 28007), (35, 24006), (42, 20005), (70, 12003), (105, 8002), (210, 4001)]