127606420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{4217}}^1$

素因数の和:4332

約数の個数: 48

約数和(自身を含む): 286992720

約数和(自身を除く): 159386300

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 89, 170, 178, 340, 356, 445, 890, 1513, 1780, 3026, 4217, 6052, 7565, 8434, 15130, 16868, 21085, 30260, 42170, 71689, 84340, 143378, 286756, 358445, 375313, 716890, 750626, 1433780, 1501252, 1876565, 3753130, 6380321, 7506260, 12760642, 25521284, 31901605, 63803210, 127606420]

約数ペア:

[(1, 127606420), (2, 63803210), (4, 31901605), (5, 25521284), (10, 12760642), (17, 7506260), (20, 6380321), (34, 3753130), (68, 1876565), (85, 1501252), (89, 1433780), (170, 750626), (178, 716890), (340, 375313), (356, 358445), (445, 286756), (890, 143378), (1513, 84340), (1780, 71689), (3026, 42170), (4217, 30260), (6052, 21085), (7565, 16868), (8434, 15130)]