90481420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{238109}}^1$

素因数の和:238137

約数の個数: 24

約数和(自身を含む): 200012400

約数和(自身を除く): 109530980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 238109, 476218, 952436, 1190545, 2381090, 4524071, 4762180, 9048142, 18096284, 22620355, 45240710, 90481420]

約数ペア:

[(1, 90481420), (2, 45240710), (4, 22620355), (5, 18096284), (10, 9048142), (19, 4762180), (20, 4524071), (38, 2381090), (76, 1190545), (95, 952436), (190, 476218), (380, 238109)]