4405420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 9874368

約数和(自身を除く): 5468948

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 61, 92, 115, 122, 157, 230, 244, 305, 314, 460, 610, 628, 785, 1220, 1403, 1570, 2806, 3140, 3611, 5612, 7015, 7222, 9577, 14030, 14444, 18055, 19154, 28060, 36110, 38308, 47885, 72220, 95770, 191540, 220271, 440542, 881084, 1101355, 2202710, 4405420]

約数ペア:

[(1, 4405420), (2, 2202710), (4, 1101355), (5, 881084), (10, 440542), (20, 220271), (23, 191540), (46, 95770), (61, 72220), (92, 47885), (115, 38308), (122, 36110), (157, 28060), (230, 19154), (244, 18055), (305, 14444), (314, 14030), (460, 9577), (610, 7222), (628, 7015), (785, 5612), (1220, 3611), (1403, 3140), (1570, 2806)]