8854280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{449}}^1$

素因数の和:506

約数の個数: 64

約数和(自身を含む): 21870000

約数和(自身を除く): 13015720

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 34, 40, 58, 68, 85, 116, 136, 145, 170, 232, 290, 340, 449, 493, 580, 680, 898, 986, 1160, 1796, 1972, 2245, 2465, 3592, 3944, 4490, 4930, 7633, 8980, 9860, 13021, 15266, 17960, 19720, 26042, 30532, 38165, 52084, 61064, 65105, 76330, 104168, 130210, 152660, 221357, 260420, 305320, 442714, 520840, 885428, 1106785, 1770856, 2213570, 4427140, 8854280]

約数ペア:

[(1, 8854280), (2, 4427140), (4, 2213570), (5, 1770856), (8, 1106785), (10, 885428), (17, 520840), (20, 442714), (29, 305320), (34, 260420), (40, 221357), (58, 152660), (68, 130210), (85, 104168), (116, 76330), (136, 65105), (145, 61064), (170, 52084), (232, 38165), (290, 30532), (340, 26042), (449, 19720), (493, 17960), (580, 15266), (680, 13021), (898, 9860), (986, 8980), (1160, 7633), (1796, 4930), (1972, 4490), (2245, 3944), (2465, 3592)]