215435090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{44789}}^1$

素因数の和:44846

約数の個数: 32

約数和(自身を含む): 428909040

約数和(自身を除く): 213473950

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4810, 44789, 89578, 223945, 447890, 582257, 1164514, 1657193, 2911285, 3314386, 5822570, 8285965, 16571930, 21543509, 43087018, 107717545, 215435090]

約数ペア:

[(1, 215435090), (2, 107717545), (5, 43087018), (10, 21543509), (13, 16571930), (26, 8285965), (37, 5822570), (65, 3314386), (74, 2911285), (130, 1657193), (185, 1164514), (370, 582257), (481, 447890), (962, 223945), (2405, 89578), (4810, 44789)]