9980300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:279

約数の個数: 72

約数和(自身を含む): 24290112

約数和(自身を除く): 14309812

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 43, 44, 50, 55, 86, 100, 110, 172, 211, 215, 220, 275, 422, 430, 473, 550, 844, 860, 946, 1055, 1075, 1100, 1892, 2110, 2150, 2321, 2365, 4220, 4300, 4642, 4730, 5275, 9073, 9284, 9460, 10550, 11605, 11825, 18146, 21100, 23210, 23650, 36292, 45365, 46420, 47300, 58025, 90730, 99803, 116050, 181460, 199606, 226825, 232100, 399212, 453650, 499015, 907300, 998030, 1996060, 2495075, 4990150, 9980300]

約数ペア:

[(1, 9980300), (2, 4990150), (4, 2495075), (5, 1996060), (10, 998030), (11, 907300), (20, 499015), (22, 453650), (25, 399212), (43, 232100), (44, 226825), (50, 199606), (55, 181460), (86, 116050), (100, 99803), (110, 90730), (172, 58025), (211, 47300), (215, 46420), (220, 45365), (275, 36292), (422, 23650), (430, 23210), (473, 21100), (550, 18146), (844, 11825), (860, 11605), (946, 10550), (1055, 9460), (1075, 9284), (1100, 9073), (1892, 5275), (2110, 4730), (2150, 4642), (2321, 4300), (2365, 4220)]