638459480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{7393}}^1$

素因数の和:7548

約数の個数: 64

約数和(自身を含む): 1533219840

約数和(自身を除く): 894760360

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, 4318, 5080, 7393, 8636, 10795, 14786, 17272, 21590, 29572, 36965, 43180, 59144, 73930, 86360, 125681, 147860, 251362, 295720, 502724, 628405, 938911, 1005448, 1256810, 1877822, 2513620, 3755644, 4694555, 5027240, 7511288, 9389110, 15961487, 18778220, 31922974, 37556440, 63845948, 79807435, 127691896, 159614870, 319229740, 638459480]

約数ペア:

[(1, 638459480), (2, 319229740), (4, 159614870), (5, 127691896), (8, 79807435), (10, 63845948), (17, 37556440), (20, 31922974), (34, 18778220), (40, 15961487), (68, 9389110), (85, 7511288), (127, 5027240), (136, 4694555), (170, 3755644), (254, 2513620), (340, 1877822), (508, 1256810), (635, 1005448), (680, 938911), (1016, 628405), (1270, 502724), (2159, 295720), (2540, 251362), (4318, 147860), (5080, 125681), (7393, 86360), (8636, 73930), (10795, 59144), (14786, 43180), (17272, 36965), (21590, 29572)]