31671150

素因数分解:

$2^1\times 3^1\times 5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:199

約数の個数: 144

約数和(自身を含む): 94993920

約数和(自身を除く): 63322770

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 31, 35, 42, 49, 50, 62, 70, 75, 93, 98, 105, 139, 147, 150, 155, 175, 186, 210, 217, 245, 278, 294, 310, 350, 417, 434, 465, 490, 525, 651, 695, 735, 775, 834, 930, 973, 1050, 1085, 1225, 1302, 1390, 1470, 1519, 1550, 1946, 2085, 2170, 2325, 2450, 2919, 3038, 3255, 3475, 3675, 4170, 4309, 4557, 4650, 4865, 5425, 5838, 6510, 6811, 6950, 7350, 7595, 8618, 9114, 9730, 10425, 10850, 12927, 13622, 14595, 15190, 16275, 20433, 20850, 21545, 22785, 24325, 25854, 29190, 30163, 32550, 34055, 37975, 40866, 43090, 45570, 48650, 60326, 64635, 68110, 72975, 75950, 90489, 102165, 107725, 113925, 129270, 145950, 150815, 170275, 180978, 204330, 211141, 215450, 227850, 301630, 323175, 340550, 422282, 452445, 510825, 633423, 646350, 754075, 904890, 1021650, 1055705, 1266846, 1508150, 2111410, 2262225, 3167115, 4524450, 5278525, 6334230, 10557050, 15835575, 31671150]

約数ペア:

[(1, 31671150), (2, 15835575), (3, 10557050), (5, 6334230), (6, 5278525), (7, 4524450), (10, 3167115), (14, 2262225), (15, 2111410), (21, 1508150), (25, 1266846), (30, 1055705), (31, 1021650), (35, 904890), (42, 754075), (49, 646350), (50, 633423), (62, 510825), (70, 452445), (75, 422282), (93, 340550), (98, 323175), (105, 301630), (139, 227850), (147, 215450), (150, 211141), (155, 204330), (175, 180978), (186, 170275), (210, 150815), (217, 145950), (245, 129270), (278, 113925), (294, 107725), (310, 102165), (350, 90489), (417, 75950), (434, 72975), (465, 68110), (490, 64635), (525, 60326), (651, 48650), (695, 45570), (735, 43090), (775, 40866), (834, 37975), (930, 34055), (973, 32550), (1050, 30163), (1085, 29190), (1225, 25854), (1302, 24325), (1390, 22785), (1470, 21545), (1519, 20850), (1550, 20433), (1946, 16275), (2085, 15190), (2170, 14595), (2325, 13622), (2450, 12927), (2919, 10850), (3038, 10425), (3255, 9730), (3475, 9114), (3675, 8618), (4170, 7595), (4309, 7350), (4557, 6950), (4650, 6811), (4865, 6510), (5425, 5838)]