380787760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{279991}}^1$

素因数の和:280021

約数の個数: 40

約数和(自身を含む): 937413216

約数和(自身を除く): 556625456

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 279991, 559982, 1119964, 1399955, 2239928, 2799910, 4479856, 4759847, 5599820, 9519694, 11199640, 19039388, 22399280, 23799235, 38078776, 47598470, 76157552, 95196940, 190393880, 380787760]

約数ペア:

[(1, 380787760), (2, 190393880), (4, 95196940), (5, 76157552), (8, 47598470), (10, 38078776), (16, 23799235), (17, 22399280), (20, 19039388), (34, 11199640), (40, 9519694), (68, 5599820), (80, 4759847), (85, 4479856), (136, 2799910), (170, 2239928), (272, 1399955), (340, 1119964), (680, 559982), (1360, 279991)]