620912140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1349809}}^1$

素因数の和:1349841

約数の個数: 24

約数和(自身を含む): 1360608480

約数和(自身を除く): 739696340

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 1349809, 2699618, 5399236, 6749045, 13498090, 26996180, 31045607, 62091214, 124182428, 155228035, 310456070, 620912140]

約数ペア:

[(1, 620912140), (2, 310456070), (4, 155228035), (5, 124182428), (10, 62091214), (20, 31045607), (23, 26996180), (46, 13498090), (92, 6749045), (115, 5399236), (230, 2699618), (460, 1349809)]