2123756530

素因数分解:

$2^1\times 5^1\times 7^4\times {\mathrm{197}}^1\times {\mathrm{449}}^1$

素因数の和:681

約数の個数: 80

約数和(自身を含む): 4492243800

約数和(自身を除く): 2368487270

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 197, 245, 343, 394, 449, 490, 686, 898, 985, 1379, 1715, 1970, 2245, 2401, 2758, 3143, 3430, 4490, 4802, 6286, 6895, 9653, 12005, 13790, 15715, 19306, 22001, 24010, 31430, 44002, 48265, 67571, 88453, 96530, 110005, 135142, 154007, 176906, 220010, 308014, 337855, 442265, 472997, 619171, 675710, 770035, 884530, 945994, 1078049, 1238342, 1540070, 2156098, 2364985, 3095855, 4334197, 4729970, 5390245, 6191710, 8668394, 10780490, 21670985, 30339379, 43341970, 60678758, 151696895, 212375653, 303393790, 424751306, 1061878265, 2123756530]

約数ペア:

[(1, 2123756530), (2, 1061878265), (5, 424751306), (7, 303393790), (10, 212375653), (14, 151696895), (35, 60678758), (49, 43341970), (70, 30339379), (98, 21670985), (197, 10780490), (245, 8668394), (343, 6191710), (394, 5390245), (449, 4729970), (490, 4334197), (686, 3095855), (898, 2364985), (985, 2156098), (1379, 1540070), (1715, 1238342), (1970, 1078049), (2245, 945994), (2401, 884530), (2758, 770035), (3143, 675710), (3430, 619171), (4490, 472997), (4802, 442265), (6286, 337855), (6895, 308014), (9653, 220010), (12005, 176906), (13790, 154007), (15715, 135142), (19306, 110005), (22001, 96530), (24010, 88453), (31430, 67571), (44002, 48265)]