42780970

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{225163}}^1$

素因数の和:225189

約数の個数: 16

約数和(自身を含む): 81059040

約数和(自身を除く): 38278070

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 225163, 450326, 1125815, 2251630, 4278097, 8556194, 21390485, 42780970]

約数ペア:

[(1, 42780970), (2, 21390485), (5, 8556194), (10, 4278097), (19, 2251630), (38, 1125815), (95, 450326), (190, 225163)]