201680420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{1433}}^1$

素因数の和:1700

約数の個数: 48

約数和(自身を含む): 439423488

約数和(自身を除く): 237743068

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 227, 310, 454, 620, 908, 1135, 1433, 2270, 2866, 4540, 5732, 7037, 7165, 14074, 14330, 28148, 28660, 35185, 44423, 70370, 88846, 140740, 177692, 222115, 325291, 444230, 650582, 888460, 1301164, 1626455, 3252910, 6505820, 10084021, 20168042, 40336084, 50420105, 100840210, 201680420]

約数ペア:

[(1, 201680420), (2, 100840210), (4, 50420105), (5, 40336084), (10, 20168042), (20, 10084021), (31, 6505820), (62, 3252910), (124, 1626455), (155, 1301164), (227, 888460), (310, 650582), (454, 444230), (620, 325291), (908, 222115), (1135, 177692), (1433, 140740), (2270, 88846), (2866, 70370), (4540, 44423), (5732, 35185), (7037, 28660), (7165, 28148), (14074, 14330)]