28687950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{1723}}^1$

素因数の和:1778

約数の個数: 72

約数和(自身を含む): 79204008

約数和(自身を除く): 50516058

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 37, 45, 50, 74, 75, 90, 111, 150, 185, 222, 225, 333, 370, 450, 555, 666, 925, 1110, 1665, 1723, 1850, 2775, 3330, 3446, 5169, 5550, 8325, 8615, 10338, 15507, 16650, 17230, 25845, 31014, 43075, 51690, 63751, 77535, 86150, 127502, 129225, 155070, 191253, 258450, 318755, 382506, 387675, 573759, 637510, 775350, 956265, 1147518, 1593775, 1912530, 2868795, 3187550, 4781325, 5737590, 9562650, 14343975, 28687950]

約数ペア:

[(1, 28687950), (2, 14343975), (3, 9562650), (5, 5737590), (6, 4781325), (9, 3187550), (10, 2868795), (15, 1912530), (18, 1593775), (25, 1147518), (30, 956265), (37, 775350), (45, 637510), (50, 573759), (74, 387675), (75, 382506), (90, 318755), (111, 258450), (150, 191253), (185, 155070), (222, 129225), (225, 127502), (333, 86150), (370, 77535), (450, 63751), (555, 51690), (666, 43075), (925, 31014), (1110, 25845), (1665, 17230), (1723, 16650), (1850, 15507), (2775, 10338), (3330, 8615), (3446, 8325), (5169, 5550)]