31003240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{359}}^1$

素因数の和:514

約数の個数: 64

約数和(自身を含む): 74649600

約数和(自身を除く): 43646360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 127, 136, 170, 254, 340, 359, 508, 635, 680, 718, 1016, 1270, 1436, 1795, 2159, 2540, 2872, 3590, 4318, 5080, 6103, 7180, 8636, 10795, 12206, 14360, 17272, 21590, 24412, 30515, 43180, 45593, 48824, 61030, 86360, 91186, 122060, 182372, 227965, 244120, 364744, 455930, 775081, 911860, 1550162, 1823720, 3100324, 3875405, 6200648, 7750810, 15501620, 31003240]

約数ペア:

[(1, 31003240), (2, 15501620), (4, 7750810), (5, 6200648), (8, 3875405), (10, 3100324), (17, 1823720), (20, 1550162), (34, 911860), (40, 775081), (68, 455930), (85, 364744), (127, 244120), (136, 227965), (170, 182372), (254, 122060), (340, 91186), (359, 86360), (508, 61030), (635, 48824), (680, 45593), (718, 43180), (1016, 30515), (1270, 24412), (1436, 21590), (1795, 17272), (2159, 14360), (2540, 12206), (2872, 10795), (3590, 8636), (4318, 7180), (5080, 6103)]