220131640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{2549}}^1$

素因数の和:2704

約数の個数: 64

約数和(自身を含む): 528768000

約数和(自身を除く): 308636360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 127, 136, 170, 254, 340, 508, 635, 680, 1016, 1270, 2159, 2540, 2549, 4318, 5080, 5098, 8636, 10196, 10795, 12745, 17272, 20392, 21590, 25490, 43180, 43333, 50980, 86360, 86666, 101960, 173332, 216665, 323723, 346664, 433330, 647446, 866660, 1294892, 1618615, 1733320, 2589784, 3237230, 5503291, 6474460, 11006582, 12948920, 22013164, 27516455, 44026328, 55032910, 110065820, 220131640]

約数ペア:

[(1, 220131640), (2, 110065820), (4, 55032910), (5, 44026328), (8, 27516455), (10, 22013164), (17, 12948920), (20, 11006582), (34, 6474460), (40, 5503291), (68, 3237230), (85, 2589784), (127, 1733320), (136, 1618615), (170, 1294892), (254, 866660), (340, 647446), (508, 433330), (635, 346664), (680, 323723), (1016, 216665), (1270, 173332), (2159, 101960), (2540, 86666), (2549, 86360), (4318, 50980), (5080, 43333), (5098, 43180), (8636, 25490), (10196, 21590), (10795, 20392), (12745, 17272)]