213040300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{661}}^1$

素因数の和:979

約数の個数: 72

約数和(自身を含む): 506811312

約数和(自身を除く): 293771012

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 293, 550, 586, 661, 1100, 1172, 1322, 1465, 2644, 2930, 3223, 3305, 5860, 6446, 6610, 7271, 7325, 12892, 13220, 14542, 14650, 16115, 16525, 29084, 29300, 32230, 33050, 36355, 64460, 66100, 72710, 80575, 145420, 161150, 181775, 193673, 322300, 363550, 387346, 727100, 774692, 968365, 1936730, 2130403, 3873460, 4260806, 4841825, 8521612, 9683650, 10652015, 19367300, 21304030, 42608060, 53260075, 106520150, 213040300]

約数ペア:

[(1, 213040300), (2, 106520150), (4, 53260075), (5, 42608060), (10, 21304030), (11, 19367300), (20, 10652015), (22, 9683650), (25, 8521612), (44, 4841825), (50, 4260806), (55, 3873460), (100, 2130403), (110, 1936730), (220, 968365), (275, 774692), (293, 727100), (550, 387346), (586, 363550), (661, 322300), (1100, 193673), (1172, 181775), (1322, 161150), (1465, 145420), (2644, 80575), (2930, 72710), (3223, 66100), (3305, 64460), (5860, 36355), (6446, 33050), (6610, 32230), (7271, 29300), (7325, 29084), (12892, 16525), (13220, 16115), (14542, 14650)]