42705940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{353}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 94203648

約数和(自身を除く): 51497708

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 263, 353, 460, 526, 706, 1052, 1315, 1412, 1765, 2630, 3530, 5260, 6049, 7060, 8119, 12098, 16238, 24196, 30245, 32476, 40595, 60490, 81190, 92839, 120980, 162380, 185678, 371356, 464195, 928390, 1856780, 2135297, 4270594, 8541188, 10676485, 21352970, 42705940]

約数ペア:

[(1, 42705940), (2, 21352970), (4, 10676485), (5, 8541188), (10, 4270594), (20, 2135297), (23, 1856780), (46, 928390), (92, 464195), (115, 371356), (230, 185678), (263, 162380), (353, 120980), (460, 92839), (526, 81190), (706, 60490), (1052, 40595), (1315, 32476), (1412, 30245), (1765, 24196), (2630, 16238), (3530, 12098), (5260, 8119), (6049, 7060)]