669884425

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:231

約数の個数: 96

約数和(自身を含む): 1057710080

約数和(自身を除く): 387825655

約数列:

[1, 5, 7, 19, 25, 31, 35, 67, 95, 97, 133, 155, 175, 217, 335, 469, 475, 485, 589, 665, 679, 775, 1085, 1273, 1675, 1843, 2077, 2345, 2425, 2945, 3007, 3325, 3395, 4123, 5425, 6365, 6499, 8911, 9215, 10385, 11725, 12901, 14539, 14725, 15035, 16975, 20615, 21049, 31825, 32495, 39463, 44555, 45493, 46075, 51925, 57133, 64505, 72695, 75175, 103075, 105245, 123481, 162475, 197315, 201469, 222775, 227465, 276241, 285665, 322525, 363475, 399931, 526225, 617405, 864367, 986575, 1007345, 1137325, 1381205, 1410283, 1428325, 1999655, 3087025, 3827911, 4321835, 5036725, 6906025, 7051415, 9998275, 19139555, 21609175, 26795377, 35257075, 95697775, 133976885, 669884425]

約数ペア:

[(1, 669884425), (5, 133976885), (7, 95697775), (19, 35257075), (25, 26795377), (31, 21609175), (35, 19139555), (67, 9998275), (95, 7051415), (97, 6906025), (133, 5036725), (155, 4321835), (175, 3827911), (217, 3087025), (335, 1999655), (469, 1428325), (475, 1410283), (485, 1381205), (589, 1137325), (665, 1007345), (679, 986575), (775, 864367), (1085, 617405), (1273, 526225), (1675, 399931), (1843, 363475), (2077, 322525), (2345, 285665), (2425, 276241), (2945, 227465), (3007, 222775), (3325, 201469), (3395, 197315), (4123, 162475), (5425, 123481), (6365, 105245), (6499, 103075), (8911, 75175), (9215, 72695), (10385, 64505), (11725, 57133), (12901, 51925), (14539, 46075), (14725, 45493), (15035, 44555), (16975, 39463), (20615, 32495), (21049, 31825)]