81477200

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{4157}}^1$

素因数の和:4189

約数の個数: 90

約数和(自身を含む): 227762766

約数和(自身を除く): 146285566

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 175, 196, 200, 245, 280, 350, 392, 400, 490, 560, 700, 784, 980, 1225, 1400, 1960, 2450, 2800, 3920, 4157, 4900, 8314, 9800, 16628, 19600, 20785, 29099, 33256, 41570, 58198, 66512, 83140, 103925, 116396, 145495, 166280, 203693, 207850, 232792, 290990, 332560, 407386, 415700, 465584, 581980, 727475, 814772, 831400, 1018465, 1163960, 1454950, 1629544, 1662800, 2036930, 2327920, 2909900, 3259088, 4073860, 5092325, 5819800, 8147720, 10184650, 11639600, 16295440, 20369300, 40738600, 81477200]

約数ペア:

[(1, 81477200), (2, 40738600), (4, 20369300), (5, 16295440), (7, 11639600), (8, 10184650), (10, 8147720), (14, 5819800), (16, 5092325), (20, 4073860), (25, 3259088), (28, 2909900), (35, 2327920), (40, 2036930), (49, 1662800), (50, 1629544), (56, 1454950), (70, 1163960), (80, 1018465), (98, 831400), (100, 814772), (112, 727475), (140, 581980), (175, 465584), (196, 415700), (200, 407386), (245, 332560), (280, 290990), (350, 232792), (392, 207850), (400, 203693), (490, 166280), (560, 145495), (700, 116396), (784, 103925), (980, 83140), (1225, 66512), (1400, 58198), (1960, 41570), (2450, 33256), (2800, 29099), (3920, 20785), (4157, 19600), (4900, 16628), (8314, 9800)]