266963240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{392593}}^1$

素因数の和:392621

約数の個数: 32

約数和(自身を含む): 636002280

約数和(自身を除く): 369039040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 392593, 785186, 1570372, 1962965, 3140744, 3925930, 6674081, 7851860, 13348162, 15703720, 26696324, 33370405, 53392648, 66740810, 133481620, 266963240]

約数ペア:

[(1, 266963240), (2, 133481620), (4, 66740810), (5, 53392648), (8, 33370405), (10, 26696324), (17, 15703720), (20, 13348162), (34, 7851860), (40, 6674081), (68, 3925930), (85, 3140744), (136, 1962965), (170, 1570372), (340, 785186), (680, 392593)]