307072740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{393683}}^1$

素因数の和:393708

約数の個数: 48

約数和(自身を含む): 925944768

約数和(自身を除く): 618872028

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 393683, 787366, 1181049, 1574732, 1968415, 2362098, 3936830, 4724196, 5117879, 5905245, 7873660, 10235758, 11810490, 15353637, 20471516, 23620980, 25589395, 30707274, 51178790, 61414548, 76768185, 102357580, 153536370, 307072740]

約数ペア:

[(1, 307072740), (2, 153536370), (3, 102357580), (4, 76768185), (5, 61414548), (6, 51178790), (10, 30707274), (12, 25589395), (13, 23620980), (15, 20471516), (20, 15353637), (26, 11810490), (30, 10235758), (39, 7873660), (52, 5905245), (60, 5117879), (65, 4724196), (78, 3936830), (130, 2362098), (156, 1968415), (195, 1574732), (260, 1181049), (390, 787366), (780, 393683)]