319155820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{2903}}^1$

素因数の和:3174

約数の個数: 48

約数和(自身を含む): 702535680

約数和(自身を除く): 383379860

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 239, 460, 478, 956, 1195, 2390, 2903, 4780, 5497, 5806, 10994, 11612, 14515, 21988, 27485, 29030, 54970, 58060, 66769, 109940, 133538, 267076, 333845, 667690, 693817, 1335380, 1387634, 2775268, 3469085, 6938170, 13876340, 15957791, 31915582, 63831164, 79788955, 159577910, 319155820]

約数ペア:

[(1, 319155820), (2, 159577910), (4, 79788955), (5, 63831164), (10, 31915582), (20, 15957791), (23, 13876340), (46, 6938170), (92, 3469085), (115, 2775268), (230, 1387634), (239, 1335380), (460, 693817), (478, 667690), (956, 333845), (1195, 267076), (2390, 133538), (2903, 109940), (4780, 66769), (5497, 58060), (5806, 54970), (10994, 29030), (11612, 27485), (14515, 21988)]