906039040

素因数分解:

$2^8\times 5^1\times {\mathrm{199}}^1\times {\mathrm{3557}}^1$

素因数の和:3777

約数の個数: 72

約数和(自身を含む): 2181765600

約数和(自身を除く): 1275726560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 199, 256, 320, 398, 640, 796, 995, 1280, 1592, 1990, 3184, 3557, 3980, 6368, 7114, 7960, 12736, 14228, 15920, 17785, 25472, 28456, 31840, 35570, 50944, 56912, 63680, 71140, 113824, 127360, 142280, 227648, 254720, 284560, 455296, 569120, 707843, 910592, 1138240, 1415686, 2276480, 2831372, 3539215, 4552960, 5662744, 7078430, 11325488, 14156860, 22650976, 28313720, 45301952, 56627440, 90603904, 113254880, 181207808, 226509760, 453019520, 906039040]

約数ペア:

[(1, 906039040), (2, 453019520), (4, 226509760), (5, 181207808), (8, 113254880), (10, 90603904), (16, 56627440), (20, 45301952), (32, 28313720), (40, 22650976), (64, 14156860), (80, 11325488), (128, 7078430), (160, 5662744), (199, 4552960), (256, 3539215), (320, 2831372), (398, 2276480), (640, 1415686), (796, 1138240), (995, 910592), (1280, 707843), (1592, 569120), (1990, 455296), (3184, 284560), (3557, 254720), (3980, 227648), (6368, 142280), (7114, 127360), (7960, 113824), (12736, 71140), (14228, 63680), (15920, 56912), (17785, 50944), (25472, 35570), (28456, 31840)]