9780479900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{5147621}}^1$

素因数の和:5147654

約数の個数: 36

約数和(自身を含む): 22340679480

約数和(自身を除く): 12560199580

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 5147621, 10295242, 20590484, 25738105, 51476210, 97804799, 102952420, 128690525, 195609598, 257381050, 391219196, 489023995, 514762100, 978047990, 1956095980, 2445119975, 4890239950, 9780479900]

約数ペア:

[(1, 9780479900), (2, 4890239950), (4, 2445119975), (5, 1956095980), (10, 978047990), (19, 514762100), (20, 489023995), (25, 391219196), (38, 257381050), (50, 195609598), (76, 128690525), (95, 102952420), (100, 97804799), (190, 51476210), (380, 25738105), (475, 20590484), (950, 10295242), (1900, 5147621)]