389616880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{286483}}^1$

素因数の和:286513

約数の個数: 40

約数和(自身を含む): 959148432

約数和(自身を除く): 569531552

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 286483, 572966, 1145932, 1432415, 2291864, 2864830, 4583728, 4870211, 5729660, 9740422, 11459320, 19480844, 22918640, 24351055, 38961688, 48702110, 77923376, 97404220, 194808440, 389616880]

約数ペア:

[(1, 389616880), (2, 194808440), (4, 97404220), (5, 77923376), (8, 48702110), (10, 38961688), (16, 24351055), (17, 22918640), (20, 19480844), (34, 11459320), (40, 9740422), (68, 5729660), (80, 4870211), (85, 4583728), (136, 2864830), (170, 2291864), (272, 1432415), (340, 1145932), (680, 572966), (1360, 286483)]