28354950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:199

約数の個数: 144

約数和(自身を含む): 84900816

約数和(自身を除く): 56545866

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 37, 39, 45, 50, 65, 74, 75, 78, 90, 111, 117, 130, 131, 150, 185, 195, 222, 225, 234, 262, 325, 333, 370, 390, 393, 450, 481, 555, 585, 650, 655, 666, 786, 925, 962, 975, 1110, 1170, 1179, 1310, 1443, 1665, 1703, 1850, 1950, 1965, 2358, 2405, 2775, 2886, 2925, 3275, 3330, 3406, 3930, 4329, 4810, 4847, 5109, 5550, 5850, 5895, 6550, 7215, 8325, 8515, 8658, 9694, 9825, 10218, 11790, 12025, 14430, 14541, 15327, 16650, 17030, 19650, 21645, 24050, 24235, 25545, 29082, 29475, 30654, 36075, 42575, 43290, 43623, 48470, 51090, 58950, 63011, 72150, 72705, 76635, 85150, 87246, 108225, 121175, 126022, 127725, 145410, 153270, 189033, 216450, 218115, 242350, 255450, 315055, 363525, 378066, 383175, 436230, 567099, 630110, 727050, 766350, 945165, 1090575, 1134198, 1575275, 1890330, 2181150, 2835495, 3150550, 4725825, 5670990, 9451650, 14177475, 28354950]

約数ペア:

[(1, 28354950), (2, 14177475), (3, 9451650), (5, 5670990), (6, 4725825), (9, 3150550), (10, 2835495), (13, 2181150), (15, 1890330), (18, 1575275), (25, 1134198), (26, 1090575), (30, 945165), (37, 766350), (39, 727050), (45, 630110), (50, 567099), (65, 436230), (74, 383175), (75, 378066), (78, 363525), (90, 315055), (111, 255450), (117, 242350), (130, 218115), (131, 216450), (150, 189033), (185, 153270), (195, 145410), (222, 127725), (225, 126022), (234, 121175), (262, 108225), (325, 87246), (333, 85150), (370, 76635), (390, 72705), (393, 72150), (450, 63011), (481, 58950), (555, 51090), (585, 48470), (650, 43623), (655, 43290), (666, 42575), (786, 36075), (925, 30654), (962, 29475), (975, 29082), (1110, 25545), (1170, 24235), (1179, 24050), (1310, 21645), (1443, 19650), (1665, 17030), (1703, 16650), (1850, 15327), (1950, 14541), (1965, 14430), (2358, 12025), (2405, 11790), (2775, 10218), (2886, 9825), (2925, 9694), (3275, 8658), (3330, 8515), (3406, 8325), (3930, 7215), (4329, 6550), (4810, 5895), (4847, 5850), (5109, 5550)]