2788164820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{7963}}^1$

素因数の和:8081

約数の個数: 96

約数和(自身を含む): 6968054016

約数和(自身を除く): 4179889196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 61, 70, 82, 122, 140, 164, 205, 244, 287, 305, 410, 427, 574, 610, 820, 854, 1148, 1220, 1435, 1708, 2135, 2501, 2870, 4270, 5002, 5740, 7963, 8540, 10004, 12505, 15926, 17507, 25010, 31852, 35014, 39815, 50020, 55741, 70028, 79630, 87535, 111482, 159260, 175070, 222964, 278705, 326483, 350140, 485743, 557410, 652966, 971486, 1114820, 1305932, 1632415, 1942972, 2285381, 2428715, 3264830, 3400201, 4570762, 4857430, 6529660, 6800402, 9141524, 9714860, 11426905, 13600804, 17001005, 19915463, 22853810, 34002010, 39830926, 45707620, 68004020, 79661852, 99577315, 139408241, 199154630, 278816482, 398309260, 557632964, 697041205, 1394082410, 2788164820]

約数ペア:

[(1, 2788164820), (2, 1394082410), (4, 697041205), (5, 557632964), (7, 398309260), (10, 278816482), (14, 199154630), (20, 139408241), (28, 99577315), (35, 79661852), (41, 68004020), (61, 45707620), (70, 39830926), (82, 34002010), (122, 22853810), (140, 19915463), (164, 17001005), (205, 13600804), (244, 11426905), (287, 9714860), (305, 9141524), (410, 6800402), (427, 6529660), (574, 4857430), (610, 4570762), (820, 3400201), (854, 3264830), (1148, 2428715), (1220, 2285381), (1435, 1942972), (1708, 1632415), (2135, 1305932), (2501, 1114820), (2870, 971486), (4270, 652966), (5002, 557410), (5740, 485743), (7963, 350140), (8540, 326483), (10004, 278705), (12505, 222964), (15926, 175070), (17507, 159260), (25010, 111482), (31852, 87535), (35014, 79630), (39815, 70028), (50020, 55741)]