84401420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{222109}}^1$

素因数の和:222137

約数の個数: 24

約数和(自身を含む): 186572400

約数和(自身を除く): 102170980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 222109, 444218, 888436, 1110545, 2221090, 4220071, 4442180, 8440142, 16880284, 21100355, 42200710, 84401420]

約数ペア:

[(1, 84401420), (2, 42200710), (4, 21100355), (5, 16880284), (10, 8440142), (19, 4442180), (20, 4220071), (38, 2221090), (76, 1110545), (95, 888436), (190, 444218), (380, 222109)]