188677880

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{1459}}^1$

素因数の和:1584

約数の個数: 64

約数和(自身を含む): 439927200

約数和(自身を除く): 251249320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 61, 106, 122, 212, 244, 265, 305, 424, 488, 530, 610, 1060, 1220, 1459, 2120, 2440, 2918, 3233, 5836, 6466, 7295, 11672, 12932, 14590, 16165, 25864, 29180, 32330, 58360, 64660, 77327, 88999, 129320, 154654, 177998, 309308, 355996, 386635, 444995, 618616, 711992, 773270, 889990, 1546540, 1779980, 3093080, 3559960, 4716947, 9433894, 18867788, 23584735, 37735576, 47169470, 94338940, 188677880]

約数ペア:

[(1, 188677880), (2, 94338940), (4, 47169470), (5, 37735576), (8, 23584735), (10, 18867788), (20, 9433894), (40, 4716947), (53, 3559960), (61, 3093080), (106, 1779980), (122, 1546540), (212, 889990), (244, 773270), (265, 711992), (305, 618616), (424, 444995), (488, 386635), (530, 355996), (610, 309308), (1060, 177998), (1220, 154654), (1459, 129320), (2120, 88999), (2440, 77327), (2918, 64660), (3233, 58360), (5836, 32330), (6466, 29180), (7295, 25864), (11672, 16165), (12932, 14590)]