83900300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{857}}^1$

素因数の和:971

約数の個数: 72

約数和(自身を含む): 201080880

約数和(自身を除く): 117180580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 89, 100, 110, 178, 220, 275, 356, 445, 550, 857, 890, 979, 1100, 1714, 1780, 1958, 2225, 3428, 3916, 4285, 4450, 4895, 8570, 8900, 9427, 9790, 17140, 18854, 19580, 21425, 24475, 37708, 42850, 47135, 48950, 76273, 85700, 94270, 97900, 152546, 188540, 235675, 305092, 381365, 471350, 762730, 839003, 942700, 1525460, 1678006, 1906825, 3356012, 3813650, 4195015, 7627300, 8390030, 16780060, 20975075, 41950150, 83900300]

約数ペア:

[(1, 83900300), (2, 41950150), (4, 20975075), (5, 16780060), (10, 8390030), (11, 7627300), (20, 4195015), (22, 3813650), (25, 3356012), (44, 1906825), (50, 1678006), (55, 1525460), (89, 942700), (100, 839003), (110, 762730), (178, 471350), (220, 381365), (275, 305092), (356, 235675), (445, 188540), (550, 152546), (857, 97900), (890, 94270), (979, 85700), (1100, 76273), (1714, 48950), (1780, 47135), (1958, 42850), (2225, 37708), (3428, 24475), (3916, 21425), (4285, 19580), (4450, 18854), (4895, 17140), (8570, 9790), (8900, 9427)]