281243355976

素因数分解:

$2^3\times {\mathrm{11}}^3\times {\mathrm{73}}^1\times {\mathrm{181}}^1\times {\mathrm{1999}}^1$

素因数の和:2292

約数の個数: 128

約数和(自身を含む): 591514560000

約数和(自身を除く): 310271204024

約数列:

[1, 2, 4, 8, 11, 22, 44, 73, 88, 121, 146, 181, 242, 292, 362, 484, 584, 724, 803, 968, 1331, 1448, 1606, 1991, 1999, 2662, 3212, 3982, 3998, 5324, 6424, 7964, 7996, 8833, 10648, 13213, 15928, 15992, 17666, 21901, 21989, 26426, 35332, 43802, 43978, 52852, 70664, 87604, 87956, 97163, 105704, 145343, 145927, 175208, 175912, 194326, 240911, 241879, 290686, 291854, 361819, 388652, 481822, 483758, 581372, 583708, 723638, 777304, 963644, 967516, 1162744, 1167416, 1447276, 1598773, 1605197, 1927288, 1935032, 2660669, 2894552, 3197546, 3210394, 3980009, 5321338, 6395092, 6420788, 7960018, 10642676, 12790184, 12841576, 15920036, 17586503, 17657167, 21285352, 26412787, 31840072, 35173006, 35314334, 43780099, 52825574, 70346012, 70628668, 87560198, 105651148, 140692024, 141257336, 175120396, 194228837, 211302296, 290540657, 350240792, 388457674, 481581089, 581081314, 776915348, 963162178, 1162162628, 1553830696, 1926324356, 2324325256, 3195947227, 3852648712, 6391894454, 12783788908, 25567577816, 35155419497, 70310838994, 140621677988, 281243355976]

約数ペア:

[(1, 281243355976), (2, 140621677988), (4, 70310838994), (8, 35155419497), (11, 25567577816), (22, 12783788908), (44, 6391894454), (73, 3852648712), (88, 3195947227), (121, 2324325256), (146, 1926324356), (181, 1553830696), (242, 1162162628), (292, 963162178), (362, 776915348), (484, 581081314), (584, 481581089), (724, 388457674), (803, 350240792), (968, 290540657), (1331, 211302296), (1448, 194228837), (1606, 175120396), (1991, 141257336), (1999, 140692024), (2662, 105651148), (3212, 87560198), (3982, 70628668), (3998, 70346012), (5324, 52825574), (6424, 43780099), (7964, 35314334), (7996, 35173006), (8833, 31840072), (10648, 26412787), (13213, 21285352), (15928, 17657167), (15992, 17586503), (17666, 15920036), (21901, 12841576), (21989, 12790184), (26426, 10642676), (35332, 7960018), (43802, 6420788), (43978, 6395092), (52852, 5321338), (70664, 3980009), (87604, 3210394), (87956, 3197546), (97163, 2894552), (105704, 2660669), (145343, 1935032), (145927, 1927288), (175208, 1605197), (175912, 1598773), (194326, 1447276), (240911, 1167416), (241879, 1162744), (290686, 967516), (291854, 963644), (361819, 777304), (388652, 723638), (481822, 583708), (483758, 581372)]