51881830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:182

約数の個数: 128

約数和(自身を含む): 128894976

約数和(自身を除く): 77013146

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 71, 73, 77, 91, 110, 130, 142, 143, 146, 154, 182, 286, 355, 365, 385, 455, 497, 511, 710, 715, 730, 770, 781, 803, 910, 923, 949, 994, 1001, 1022, 1430, 1562, 1606, 1846, 1898, 2002, 2485, 2555, 3905, 4015, 4615, 4745, 4970, 5005, 5110, 5183, 5467, 5621, 6461, 6643, 7810, 8030, 9230, 9490, 10010, 10153, 10366, 10439, 10934, 11242, 12922, 13286, 20306, 20878, 25915, 27335, 28105, 32305, 33215, 36281, 50765, 51830, 52195, 54670, 56210, 57013, 64610, 66430, 67379, 71071, 72562, 73073, 101530, 104390, 114026, 134758, 142142, 146146, 181405, 285065, 336895, 355355, 362810, 365365, 399091, 471653, 570130, 673790, 710710, 730730, 741169, 798182, 943306, 1482338, 1995455, 2358265, 3705845, 3990910, 4716530, 5188183, 7411690, 10376366, 25940915, 51881830]

約数ペア:

[(1, 51881830), (2, 25940915), (5, 10376366), (7, 7411690), (10, 5188183), (11, 4716530), (13, 3990910), (14, 3705845), (22, 2358265), (26, 1995455), (35, 1482338), (55, 943306), (65, 798182), (70, 741169), (71, 730730), (73, 710710), (77, 673790), (91, 570130), (110, 471653), (130, 399091), (142, 365365), (143, 362810), (146, 355355), (154, 336895), (182, 285065), (286, 181405), (355, 146146), (365, 142142), (385, 134758), (455, 114026), (497, 104390), (511, 101530), (710, 73073), (715, 72562), (730, 71071), (770, 67379), (781, 66430), (803, 64610), (910, 57013), (923, 56210), (949, 54670), (994, 52195), (1001, 51830), (1022, 50765), (1430, 36281), (1562, 33215), (1606, 32305), (1846, 28105), (1898, 27335), (2002, 25915), (2485, 20878), (2555, 20306), (3905, 13286), (4015, 12922), (4615, 11242), (4745, 10934), (4970, 10439), (5005, 10366), (5110, 10153), (5183, 10010), (5467, 9490), (5621, 9230), (6461, 8030), (6643, 7810)]