145173880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{213491}}^1$

素因数の和:213519

約数の個数: 32

約数和(自身を含む): 345857040

約数和(自身を除く): 200683160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 213491, 426982, 853964, 1067455, 1707928, 2134910, 3629347, 4269820, 7258694, 8539640, 14517388, 18146735, 29034776, 36293470, 72586940, 145173880]

約数ペア:

[(1, 145173880), (2, 72586940), (4, 36293470), (5, 29034776), (8, 18146735), (10, 14517388), (17, 8539640), (20, 7258694), (34, 4269820), (40, 3629347), (68, 2134910), (85, 1707928), (136, 1067455), (170, 853964), (340, 426982), (680, 213491)]