78958540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{439}}^1$

素因数の和:511

約数の個数: 72

約数和(自身を含む): 183949920

約数和(自身を除く): 104991380

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 439, 460, 529, 782, 878, 1058, 1564, 1756, 1955, 2116, 2195, 2645, 3910, 4390, 5290, 7463, 7820, 8780, 8993, 10097, 10580, 14926, 17986, 20194, 29852, 35972, 37315, 40388, 44965, 50485, 74630, 89930, 100970, 149260, 171649, 179860, 201940, 232231, 343298, 464462, 686596, 858245, 928924, 1161155, 1716490, 2322310, 3432980, 3947927, 4644620, 7895854, 15791708, 19739635, 39479270, 78958540]

約数ペア:

[(1, 78958540), (2, 39479270), (4, 19739635), (5, 15791708), (10, 7895854), (17, 4644620), (20, 3947927), (23, 3432980), (34, 2322310), (46, 1716490), (68, 1161155), (85, 928924), (92, 858245), (115, 686596), (170, 464462), (230, 343298), (340, 232231), (391, 201940), (439, 179860), (460, 171649), (529, 149260), (782, 100970), (878, 89930), (1058, 74630), (1564, 50485), (1756, 44965), (1955, 40388), (2116, 37315), (2195, 35972), (2645, 29852), (3910, 20194), (4390, 17986), (5290, 14926), (7463, 10580), (7820, 10097), (8780, 8993)]