249970028

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{829}}^1$

素因数の和:951

約数の個数: 72

約数和(自身を含む): 556365600

約数和(自身を除く): 306395572

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 89, 121, 154, 178, 242, 308, 356, 484, 623, 829, 847, 979, 1246, 1658, 1694, 1958, 2492, 3316, 3388, 3916, 5803, 6853, 9119, 10769, 11606, 13706, 18238, 21538, 23212, 27412, 36476, 43076, 63833, 73781, 75383, 100309, 127666, 147562, 150766, 200618, 255332, 295124, 301532, 401236, 516467, 702163, 811591, 1032934, 1404326, 1623182, 2065868, 2808652, 3246364, 5681137, 8927501, 11362274, 17855002, 22724548, 35710004, 62492507, 124985014, 249970028]

約数ペア:

[(1, 249970028), (2, 124985014), (4, 62492507), (7, 35710004), (11, 22724548), (14, 17855002), (22, 11362274), (28, 8927501), (44, 5681137), (77, 3246364), (89, 2808652), (121, 2065868), (154, 1623182), (178, 1404326), (242, 1032934), (308, 811591), (356, 702163), (484, 516467), (623, 401236), (829, 301532), (847, 295124), (979, 255332), (1246, 200618), (1658, 150766), (1694, 147562), (1958, 127666), (2492, 100309), (3316, 75383), (3388, 73781), (3916, 63833), (5803, 43076), (6853, 36476), (9119, 27412), (10769, 23212), (11606, 21538), (13706, 18238)]