420123704

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2281}}^1$

素因数の和:2341

約数の個数: 128

約数和(自身を含む): 1104122880

約数和(自身を除く): 683999176

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 23, 26, 28, 44, 46, 52, 56, 77, 88, 91, 92, 104, 143, 154, 161, 182, 184, 253, 286, 299, 308, 322, 364, 506, 572, 598, 616, 644, 728, 1001, 1012, 1144, 1196, 1288, 1771, 2002, 2024, 2093, 2281, 2392, 3289, 3542, 4004, 4186, 4562, 6578, 7084, 8008, 8372, 9124, 13156, 14168, 15967, 16744, 18248, 23023, 25091, 26312, 29653, 31934, 46046, 50182, 52463, 59306, 63868, 92092, 100364, 104926, 118612, 127736, 175637, 184184, 200728, 207571, 209852, 237224, 326183, 351274, 367241, 415142, 419704, 577093, 652366, 682019, 702548, 734482, 830284, 1154186, 1304732, 1364038, 1405096, 1468964, 1660568, 2283281, 2308372, 2609464, 2728076, 2937928, 4039651, 4566562, 4616744, 4774133, 5456152, 7502209, 8079302, 9133124, 9548266, 15004418, 16158604, 18266248, 19096532, 30008836, 32317208, 38193064, 52515463, 60017672, 105030926, 210061852, 420123704]

約数ペア:

[(1, 420123704), (2, 210061852), (4, 105030926), (7, 60017672), (8, 52515463), (11, 38193064), (13, 32317208), (14, 30008836), (22, 19096532), (23, 18266248), (26, 16158604), (28, 15004418), (44, 9548266), (46, 9133124), (52, 8079302), (56, 7502209), (77, 5456152), (88, 4774133), (91, 4616744), (92, 4566562), (104, 4039651), (143, 2937928), (154, 2728076), (161, 2609464), (182, 2308372), (184, 2283281), (253, 1660568), (286, 1468964), (299, 1405096), (308, 1364038), (322, 1304732), (364, 1154186), (506, 830284), (572, 734482), (598, 702548), (616, 682019), (644, 652366), (728, 577093), (1001, 419704), (1012, 415142), (1144, 367241), (1196, 351274), (1288, 326183), (1771, 237224), (2002, 209852), (2024, 207571), (2093, 200728), (2281, 184184), (2392, 175637), (3289, 127736), (3542, 118612), (4004, 104926), (4186, 100364), (4562, 92092), (6578, 63868), (7084, 59306), (8008, 52463), (8372, 50182), (9124, 46046), (13156, 31934), (14168, 29653), (15967, 26312), (16744, 25091), (18248, 23023)]