378731440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{278479}}^1$

素因数の和:278509

約数の個数: 40

約数和(自身を含む): 932351040

約数和(自身を除く): 553619600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 278479, 556958, 1113916, 1392395, 2227832, 2784790, 4455664, 4734143, 5569580, 9468286, 11139160, 18936572, 22278320, 23670715, 37873144, 47341430, 75746288, 94682860, 189365720, 378731440]

約数ペア:

[(1, 378731440), (2, 189365720), (4, 94682860), (5, 75746288), (8, 47341430), (10, 37873144), (16, 23670715), (17, 22278320), (20, 18936572), (34, 11139160), (40, 9468286), (68, 5569580), (80, 4734143), (85, 4455664), (136, 2784790), (170, 2227832), (272, 1392395), (340, 1113916), (680, 556958), (1360, 278479)]