487321000

素因数分解:

$2^3\times 5^3\times {\mathrm{239}}^1\times {\mathrm{2039}}^1$

素因数の和:2299

約数の個数: 64

約数和(自身を含む): 1145664000

約数和(自身を除く): 658343000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 239, 250, 478, 500, 956, 1000, 1195, 1912, 2039, 2390, 4078, 4780, 5975, 8156, 9560, 10195, 11950, 16312, 20390, 23900, 29875, 40780, 47800, 50975, 59750, 81560, 101950, 119500, 203900, 239000, 254875, 407800, 487321, 509750, 974642, 1019500, 1949284, 2039000, 2436605, 3898568, 4873210, 9746420, 12183025, 19492840, 24366050, 48732100, 60915125, 97464200, 121830250, 243660500, 487321000]

約数ペア:

[(1, 487321000), (2, 243660500), (4, 121830250), (5, 97464200), (8, 60915125), (10, 48732100), (20, 24366050), (25, 19492840), (40, 12183025), (50, 9746420), (100, 4873210), (125, 3898568), (200, 2436605), (239, 2039000), (250, 1949284), (478, 1019500), (500, 974642), (956, 509750), (1000, 487321), (1195, 407800), (1912, 254875), (2039, 239000), (2390, 203900), (4078, 119500), (4780, 101950), (5975, 81560), (8156, 59750), (9560, 50975), (10195, 47800), (11950, 40780), (16312, 29875), (20390, 23900)]