7516940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 16511040

約数和(自身を除く): 8994100

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 89, 103, 164, 178, 205, 206, 356, 410, 412, 445, 515, 820, 890, 1030, 1780, 2060, 3649, 4223, 7298, 8446, 9167, 14596, 16892, 18245, 18334, 21115, 36490, 36668, 42230, 45835, 72980, 84460, 91670, 183340, 375847, 751694, 1503388, 1879235, 3758470, 7516940]

約数ペア:

[(1, 7516940), (2, 3758470), (4, 1879235), (5, 1503388), (10, 751694), (20, 375847), (41, 183340), (82, 91670), (89, 84460), (103, 72980), (164, 45835), (178, 42230), (205, 36668), (206, 36490), (356, 21115), (410, 18334), (412, 18245), (445, 16892), (515, 14596), (820, 9167), (890, 8446), (1030, 7298), (1780, 4223), (2060, 3649)]