181570212

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{239}}^1\times {\mathrm{449}}^1$

素因数の和:745

約数の個数: 72

約数和(自身を含む): 471744000

約数和(自身を除く): 290173788

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 141, 188, 239, 282, 423, 449, 478, 564, 717, 846, 898, 956, 1347, 1434, 1692, 1796, 2151, 2694, 2868, 4041, 4302, 5388, 8082, 8604, 11233, 16164, 21103, 22466, 33699, 42206, 44932, 63309, 67398, 84412, 101097, 107311, 126618, 134796, 189927, 202194, 214622, 253236, 321933, 379854, 404388, 429244, 643866, 759708, 965799, 1287732, 1931598, 3863196, 5043617, 10087234, 15130851, 20174468, 30261702, 45392553, 60523404, 90785106, 181570212]

約数ペア:

[(1, 181570212), (2, 90785106), (3, 60523404), (4, 45392553), (6, 30261702), (9, 20174468), (12, 15130851), (18, 10087234), (36, 5043617), (47, 3863196), (94, 1931598), (141, 1287732), (188, 965799), (239, 759708), (282, 643866), (423, 429244), (449, 404388), (478, 379854), (564, 321933), (717, 253236), (846, 214622), (898, 202194), (956, 189927), (1347, 134796), (1434, 126618), (1692, 107311), (1796, 101097), (2151, 84412), (2694, 67398), (2868, 63309), (4041, 44932), (4302, 42206), (5388, 33699), (8082, 22466), (8604, 21103), (11233, 16164)]