423340

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{347}}^1$

素因数の和:417

約数の個数: 24

約数和(自身を含む): 906192

約数和(自身を除く): 482852

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 347, 610, 694, 1220, 1388, 1735, 3470, 6940, 21167, 42334, 84668, 105835, 211670, 423340]

約数ペア:

[(1, 423340), (2, 211670), (4, 105835), (5, 84668), (10, 42334), (20, 21167), (61, 6940), (122, 3470), (244, 1735), (305, 1388), (347, 1220), (610, 694)]