2019204005

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{547}}^1$

素因数の和:659

約数の個数: 96

約数和(自身を含む): 3253541760

約数和(自身を除く): 1234337755

約数列:

[1, 5, 7, 13, 19, 35, 49, 61, 65, 91, 95, 133, 245, 247, 305, 427, 455, 547, 637, 665, 793, 931, 1159, 1235, 1729, 2135, 2735, 2989, 3185, 3829, 3965, 4655, 5551, 5795, 7111, 8113, 8645, 10393, 12103, 14945, 15067, 19145, 26803, 27755, 33367, 35555, 38857, 40565, 49777, 51965, 56791, 60515, 72751, 75335, 105469, 134015, 135109, 166835, 194285, 233569, 248885, 283955, 348439, 363755, 433771, 509257, 527345, 633973, 675545, 738283, 945763, 1167845, 1634983, 1742195, 2168855, 2546285, 3036397, 3169865, 3691415, 4437811, 4728815, 6620341, 8174915, 8241649, 15181985, 21254779, 22189055, 31064677, 33101705, 41208245, 57691543, 106273895, 155323385, 288457715, 403840801, 2019204005]

約数ペア:

[(1, 2019204005), (5, 403840801), (7, 288457715), (13, 155323385), (19, 106273895), (35, 57691543), (49, 41208245), (61, 33101705), (65, 31064677), (91, 22189055), (95, 21254779), (133, 15181985), (245, 8241649), (247, 8174915), (305, 6620341), (427, 4728815), (455, 4437811), (547, 3691415), (637, 3169865), (665, 3036397), (793, 2546285), (931, 2168855), (1159, 1742195), (1235, 1634983), (1729, 1167845), (2135, 945763), (2735, 738283), (2989, 675545), (3185, 633973), (3829, 527345), (3965, 509257), (4655, 433771), (5551, 363755), (5795, 348439), (7111, 283955), (8113, 248885), (8645, 233569), (10393, 194285), (12103, 166835), (14945, 135109), (15067, 134015), (19145, 105469), (26803, 75335), (27755, 72751), (33367, 60515), (35555, 56791), (38857, 51965), (40565, 49777)]