1911645890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{479}}^1$

素因数の和:648

約数の個数: 128

約数和(自身を含む): 4419256320

約数和(自身を除く): 2507610430

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 71, 73, 77, 110, 142, 146, 154, 355, 365, 385, 479, 497, 511, 710, 730, 770, 781, 803, 958, 994, 1022, 1562, 1606, 2395, 2485, 2555, 3353, 3905, 4015, 4790, 4970, 5110, 5183, 5269, 5467, 5621, 6706, 7810, 8030, 10366, 10538, 10934, 11242, 16765, 25915, 26345, 27335, 28105, 33530, 34009, 34967, 36281, 36883, 51830, 52690, 54670, 56210, 57013, 68018, 69934, 72562, 73766, 114026, 170045, 174835, 181405, 184415, 238063, 244769, 285065, 340090, 349670, 362810, 368830, 374099, 384637, 399091, 476126, 489538, 570130, 748198, 769274, 798182, 1190315, 1223845, 1870495, 1923185, 1995455, 2380630, 2447690, 2482657, 2618693, 2692459, 3740990, 3846370, 3990910, 4965314, 5237386, 5384918, 12413285, 13093465, 13462295, 17378599, 24826570, 26186930, 26924590, 27309227, 34757198, 54618454, 86892995, 136546135, 173785990, 191164589, 273092270, 382329178, 955822945, 1911645890]

約数ペア:

[(1, 1911645890), (2, 955822945), (5, 382329178), (7, 273092270), (10, 191164589), (11, 173785990), (14, 136546135), (22, 86892995), (35, 54618454), (55, 34757198), (70, 27309227), (71, 26924590), (73, 26186930), (77, 24826570), (110, 17378599), (142, 13462295), (146, 13093465), (154, 12413285), (355, 5384918), (365, 5237386), (385, 4965314), (479, 3990910), (497, 3846370), (511, 3740990), (710, 2692459), (730, 2618693), (770, 2482657), (781, 2447690), (803, 2380630), (958, 1995455), (994, 1923185), (1022, 1870495), (1562, 1223845), (1606, 1190315), (2395, 798182), (2485, 769274), (2555, 748198), (3353, 570130), (3905, 489538), (4015, 476126), (4790, 399091), (4970, 384637), (5110, 374099), (5183, 368830), (5269, 362810), (5467, 349670), (5621, 340090), (6706, 285065), (7810, 244769), (8030, 238063), (10366, 184415), (10538, 181405), (10934, 174835), (11242, 170045), (16765, 114026), (25915, 73766), (26345, 72562), (27335, 69934), (28105, 68018), (33530, 57013), (34009, 56210), (34967, 54670), (36281, 52690), (36883, 51830)]