171269840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{305839}}^1$

素因数の和:305859

約数の個数: 40

約数和(自身を含む): 455089920

約数和(自身を除く): 283820080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 305839, 611678, 1223356, 1529195, 2140873, 2446712, 3058390, 4281746, 4893424, 6116780, 8563492, 10704365, 12233560, 17126984, 21408730, 24467120, 34253968, 42817460, 85634920, 171269840]

約数ペア:

[(1, 171269840), (2, 85634920), (4, 42817460), (5, 34253968), (7, 24467120), (8, 21408730), (10, 17126984), (14, 12233560), (16, 10704365), (20, 8563492), (28, 6116780), (35, 4893424), (40, 4281746), (56, 3058390), (70, 2446712), (80, 2140873), (112, 1529195), (140, 1223356), (280, 611678), (560, 305839)]