202183820

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^2\times {\mathrm{991}}^1$

素因数の和:1202

約数の個数: 36

約数和(自身を含む): 429264192

約数和(自身を除く): 227080372

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 991, 1010, 1982, 2020, 3964, 4955, 9910, 10201, 19820, 20402, 40804, 51005, 100091, 102010, 200182, 204020, 400364, 500455, 1000910, 2001820, 10109191, 20218382, 40436764, 50545955, 101091910, 202183820]

約数ペア:

[(1, 202183820), (2, 101091910), (4, 50545955), (5, 40436764), (10, 20218382), (20, 10109191), (101, 2001820), (202, 1000910), (404, 500455), (505, 400364), (991, 204020), (1010, 200182), (1982, 102010), (2020, 100091), (3964, 51005), (4955, 40804), (9910, 20402), (10201, 19820)]