388667940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{381047}}^1$

素因数の和:381076

約数の個数: 48

約数和(自身を含む): 1152289152

約数和(自身を除く): 763621212

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 381047, 762094, 1143141, 1524188, 1905235, 2286282, 3810470, 4572564, 5715705, 6477799, 7620940, 11431410, 12955598, 19433397, 22862820, 25911196, 32388995, 38866794, 64777990, 77733588, 97166985, 129555980, 194333970, 388667940]

約数ペア:

[(1, 388667940), (2, 194333970), (3, 129555980), (4, 97166985), (5, 77733588), (6, 64777990), (10, 38866794), (12, 32388995), (15, 25911196), (17, 22862820), (20, 19433397), (30, 12955598), (34, 11431410), (51, 7620940), (60, 6477799), (68, 5715705), (85, 4572564), (102, 3810470), (170, 2286282), (204, 1905235), (255, 1524188), (340, 1143141), (510, 762094), (1020, 381047)]