201375820

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{761}}^1$

素因数の和:1002

約数の個数: 48

約数和(自身を含む): 430901856

約数和(自身を除く): 229526036

約数列:

[1, 2, 4, 5, 10, 20, 101, 131, 202, 262, 404, 505, 524, 655, 761, 1010, 1310, 1522, 2020, 2620, 3044, 3805, 7610, 13231, 15220, 26462, 52924, 66155, 76861, 99691, 132310, 153722, 199382, 264620, 307444, 384305, 398764, 498455, 768610, 996910, 1537220, 1993820, 10068791, 20137582, 40275164, 50343955, 100687910, 201375820]

約数ペア:

[(1, 201375820), (2, 100687910), (4, 50343955), (5, 40275164), (10, 20137582), (20, 10068791), (101, 1993820), (131, 1537220), (202, 996910), (262, 768610), (404, 498455), (505, 398764), (524, 384305), (655, 307444), (761, 264620), (1010, 199382), (1310, 153722), (1522, 132310), (2020, 99691), (2620, 76861), (3044, 66155), (3805, 52924), (7610, 26462), (13231, 15220)]