171827810

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1$

素因数の和:552

約数の個数: 96

約数和(自身を含む): 398908800

約数和(自身を除く): 227080990

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 71, 77, 98, 110, 142, 154, 245, 355, 385, 449, 490, 497, 539, 710, 770, 781, 898, 994, 1078, 1562, 2245, 2485, 2695, 3143, 3479, 3905, 4490, 4939, 4970, 5390, 5467, 6286, 6958, 7810, 9878, 10934, 15715, 17395, 22001, 24695, 27335, 31430, 31879, 34573, 34790, 38269, 44002, 49390, 54670, 63758, 69146, 76538, 110005, 159395, 172865, 191345, 220010, 223153, 242011, 318790, 345730, 350669, 382690, 446306, 484022, 701338, 1115765, 1210055, 1562071, 1753345, 2231530, 2420110, 2454683, 3124142, 3506690, 4909366, 7810355, 12273415, 15620710, 17182781, 24546830, 34365562, 85913905, 171827810]

約数ペア:

[(1, 171827810), (2, 85913905), (5, 34365562), (7, 24546830), (10, 17182781), (11, 15620710), (14, 12273415), (22, 7810355), (35, 4909366), (49, 3506690), (55, 3124142), (70, 2454683), (71, 2420110), (77, 2231530), (98, 1753345), (110, 1562071), (142, 1210055), (154, 1115765), (245, 701338), (355, 484022), (385, 446306), (449, 382690), (490, 350669), (497, 345730), (539, 318790), (710, 242011), (770, 223153), (781, 220010), (898, 191345), (994, 172865), (1078, 159395), (1562, 110005), (2245, 76538), (2485, 69146), (2695, 63758), (3143, 54670), (3479, 49390), (3905, 44002), (4490, 38269), (4939, 34790), (4970, 34573), (5390, 31879), (5467, 31430), (6286, 27335), (6958, 24695), (7810, 22001), (9878, 17395), (10934, 15715)]