72352840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{258403}}^1$

素因数の和:258421

約数の個数: 32

約数和(自身を含む): 186050880

約数和(自身を除く): 113698040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 258403, 516806, 1033612, 1292015, 1808821, 2067224, 2584030, 3617642, 5168060, 7235284, 9044105, 10336120, 14470568, 18088210, 36176420, 72352840]

約数ペア:

[(1, 72352840), (2, 36176420), (4, 18088210), (5, 14470568), (7, 10336120), (8, 9044105), (10, 7235284), (14, 5168060), (20, 3617642), (28, 2584030), (35, 2067224), (40, 1808821), (56, 1292015), (70, 1033612), (140, 516806), (280, 258403)]