420915671492

素因数分解:

$2^2\times {\mathrm{389}}^1\times {\mathrm{1741}}^1\times {\mathrm{155377}}^1$

素因数の和:157511

約数の個数: 24

約数和(自身を含む): 738924939480

約数和(自身を除く): 318009267988

約数列:

[1, 2, 4, 389, 778, 1556, 1741, 3482, 6964, 155377, 310754, 621508, 677249, 1354498, 2708996, 60441653, 120883306, 241766612, 270511357, 541022714, 1082045428, 105228917873, 210457835746, 420915671492]

約数ペア:

[(1, 420915671492), (2, 210457835746), (4, 105228917873), (389, 1082045428), (778, 541022714), (1556, 270511357), (1741, 241766612), (3482, 120883306), (6964, 60441653), (155377, 2708996), (310754, 1354498), (621508, 677249)]