199020840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{72109}}^1$

素因数の和:72146

約数の個数: 64

約数和(自身を含む): 623030400

約数和(自身を除く): 424009560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 72109, 144218, 216327, 288436, 360545, 432654, 576872, 721090, 865308, 1081635, 1442180, 1658507, 1730616, 2163270, 2884360, 3317014, 4326540, 4975521, 6634028, 8292535, 8653080, 9951042, 13268056, 16585070, 19902084, 24877605, 33170140, 39804168, 49755210, 66340280, 99510420, 199020840]

約数ペア:

[(1, 199020840), (2, 99510420), (3, 66340280), (4, 49755210), (5, 39804168), (6, 33170140), (8, 24877605), (10, 19902084), (12, 16585070), (15, 13268056), (20, 9951042), (23, 8653080), (24, 8292535), (30, 6634028), (40, 4975521), (46, 4326540), (60, 3317014), (69, 2884360), (92, 2163270), (115, 1730616), (120, 1658507), (138, 1442180), (184, 1081635), (230, 865308), (276, 721090), (345, 576872), (460, 432654), (552, 360545), (690, 288436), (920, 216327), (1380, 144218), (2760, 72109)]