216907900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{673}}^1$

素因数の和:991

約数の個数: 72

約数和(自身を含む): 515998224

約数和(自身を除く): 299090324

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 293, 550, 586, 673, 1100, 1172, 1346, 1465, 2692, 2930, 3223, 3365, 5860, 6446, 6730, 7325, 7403, 12892, 13460, 14650, 14806, 16115, 16825, 29300, 29612, 32230, 33650, 37015, 64460, 67300, 74030, 80575, 148060, 161150, 185075, 197189, 322300, 370150, 394378, 740300, 788756, 985945, 1971890, 2169079, 3943780, 4338158, 4929725, 8676316, 9859450, 10845395, 19718900, 21690790, 43381580, 54226975, 108453950, 216907900]

約数ペア:

[(1, 216907900), (2, 108453950), (4, 54226975), (5, 43381580), (10, 21690790), (11, 19718900), (20, 10845395), (22, 9859450), (25, 8676316), (44, 4929725), (50, 4338158), (55, 3943780), (100, 2169079), (110, 1971890), (220, 985945), (275, 788756), (293, 740300), (550, 394378), (586, 370150), (673, 322300), (1100, 197189), (1172, 185075), (1346, 161150), (1465, 148060), (2692, 80575), (2930, 74030), (3223, 67300), (3365, 64460), (5860, 37015), (6446, 33650), (6730, 32230), (7325, 29612), (7403, 29300), (12892, 16825), (13460, 16115), (14650, 14806)]