278315330

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{7759}}^1$

素因数の和:7994

約数の個数: 32

約数和(自身を含む): 533018880

約数和(自身を除く): 254703550

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 211, 422, 1055, 2110, 3587, 7174, 7759, 15518, 17935, 35870, 38795, 77590, 131903, 263806, 659515, 1319030, 1637149, 3274298, 8185745, 16371490, 27831533, 55663066, 139157665, 278315330]

約数ペア:

[(1, 278315330), (2, 139157665), (5, 55663066), (10, 27831533), (17, 16371490), (34, 8185745), (85, 3274298), (170, 1637149), (211, 1319030), (422, 659515), (1055, 263806), (2110, 131903), (3587, 77590), (7174, 38795), (7759, 35870), (15518, 17935)]