2019898755

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{467}}^1$

素因数の和:710

約数の個数: 128

約数和(自身を含む): 4313088000

約数和(自身を除く): 2293189245

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 27, 35, 45, 63, 69, 105, 115, 135, 161, 189, 199, 207, 315, 345, 467, 483, 597, 621, 805, 945, 995, 1035, 1393, 1401, 1449, 1791, 2335, 2415, 2985, 3105, 3269, 4179, 4203, 4347, 4577, 5373, 6965, 7005, 7245, 8955, 9807, 10741, 12537, 12609, 13731, 16345, 20895, 21015, 21735, 22885, 26865, 29421, 32039, 32223, 37611, 41193, 49035, 53705, 62685, 63045, 68655, 75187, 88263, 92933, 96117, 96669, 123579, 147105, 160195, 161115, 188055, 205965, 225561, 278799, 288351, 290007, 375935, 441315, 464665, 480585, 483345, 617895, 650531, 676683, 836397, 865053, 1127805, 1393995, 1441755, 1450035, 1951593, 2030049, 2137459, 2509191, 3252655, 3383415, 4181985, 4325265, 5854779, 6412377, 9757965, 10150245, 10687295, 12545955, 14962213, 17564337, 19237131, 29273895, 32061885, 44886639, 57711393, 74811065, 87821685, 96185655, 134659917, 224433195, 288556965, 403979751, 673299585, 2019898755]

約数ペア:

[(1, 2019898755), (3, 673299585), (5, 403979751), (7, 288556965), (9, 224433195), (15, 134659917), (21, 96185655), (23, 87821685), (27, 74811065), (35, 57711393), (45, 44886639), (63, 32061885), (69, 29273895), (105, 19237131), (115, 17564337), (135, 14962213), (161, 12545955), (189, 10687295), (199, 10150245), (207, 9757965), (315, 6412377), (345, 5854779), (467, 4325265), (483, 4181985), (597, 3383415), (621, 3252655), (805, 2509191), (945, 2137459), (995, 2030049), (1035, 1951593), (1393, 1450035), (1401, 1441755), (1449, 1393995), (1791, 1127805), (2335, 865053), (2415, 836397), (2985, 676683), (3105, 650531), (3269, 617895), (4179, 483345), (4203, 480585), (4347, 464665), (4577, 441315), (5373, 375935), (6965, 290007), (7005, 288351), (7245, 278799), (8955, 225561), (9807, 205965), (10741, 188055), (12537, 161115), (12609, 160195), (13731, 147105), (16345, 123579), (20895, 96669), (21015, 96117), (21735, 92933), (22885, 88263), (26865, 75187), (29421, 68655), (32039, 63045), (32223, 62685), (37611, 53705), (41193, 49035)]