273784520

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{647}}^1$

素因数の和:878

約数の個数: 64

約数和(自身を含む): 629856000

約数和(自身を除く): 356071480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 149, 284, 298, 355, 568, 596, 647, 710, 745, 1192, 1294, 1420, 1490, 2588, 2840, 2980, 3235, 5176, 5960, 6470, 10579, 12940, 21158, 25880, 42316, 45937, 52895, 84632, 91874, 96403, 105790, 183748, 192806, 211580, 229685, 367496, 385612, 423160, 459370, 482015, 771224, 918740, 964030, 1837480, 1928060, 3856120, 6844613, 13689226, 27378452, 34223065, 54756904, 68446130, 136892260, 273784520]

約数ペア:

[(1, 273784520), (2, 136892260), (4, 68446130), (5, 54756904), (8, 34223065), (10, 27378452), (20, 13689226), (40, 6844613), (71, 3856120), (142, 1928060), (149, 1837480), (284, 964030), (298, 918740), (355, 771224), (568, 482015), (596, 459370), (647, 423160), (710, 385612), (745, 367496), (1192, 229685), (1294, 211580), (1420, 192806), (1490, 183748), (2588, 105790), (2840, 96403), (2980, 91874), (3235, 84632), (5176, 52895), (5960, 45937), (6470, 42316), (10579, 25880), (12940, 21158)]