72245980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{190121}}^1$

素因数の和:190149

約数の個数: 24

約数和(自身を含む): 159702480

約数和(自身を除く): 87456500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 190121, 380242, 760484, 950605, 1901210, 3612299, 3802420, 7224598, 14449196, 18061495, 36122990, 72245980]

約数ペア:

[(1, 72245980), (2, 36122990), (4, 18061495), (5, 14449196), (10, 7224598), (19, 3802420), (20, 3612299), (38, 1901210), (76, 950605), (95, 760484), (190, 380242), (380, 190121)]