15403220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{110023}}^1$

素因数の和:110039

約数の個数: 24

約数和(自身を含む): 36968064

約数和(自身を除く): 21564844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 110023, 220046, 440092, 550115, 770161, 1100230, 1540322, 2200460, 3080644, 3850805, 7701610, 15403220]

約数ペア:

[(1, 15403220), (2, 7701610), (4, 3850805), (5, 3080644), (7, 2200460), (10, 1540322), (14, 1100230), (20, 770161), (28, 550115), (35, 440092), (70, 220046), (140, 110023)]