210987640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{1013}}^1$

素因数の和:1192

約数の個数: 64

約数和(自身を含む): 490613760

約数和(自身を除く): 279626120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 127, 164, 205, 254, 328, 410, 508, 635, 820, 1013, 1016, 1270, 1640, 2026, 2540, 4052, 5065, 5080, 5207, 8104, 10130, 10414, 20260, 20828, 26035, 40520, 41533, 41656, 52070, 83066, 104140, 128651, 166132, 207665, 208280, 257302, 332264, 415330, 514604, 643255, 830660, 1029208, 1286510, 1661320, 2573020, 5146040, 5274691, 10549382, 21098764, 26373455, 42197528, 52746910, 105493820, 210987640]

約数ペア:

[(1, 210987640), (2, 105493820), (4, 52746910), (5, 42197528), (8, 26373455), (10, 21098764), (20, 10549382), (40, 5274691), (41, 5146040), (82, 2573020), (127, 1661320), (164, 1286510), (205, 1029208), (254, 830660), (328, 643255), (410, 514604), (508, 415330), (635, 332264), (820, 257302), (1013, 208280), (1016, 207665), (1270, 166132), (1640, 128651), (2026, 104140), (2540, 83066), (4052, 52070), (5065, 41656), (5080, 41533), (5207, 40520), (8104, 26035), (10130, 20828), (10414, 20260)]