38673740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:140

約数の個数: 144

約数和(自身を含む): 104186880

約数和(自身を除く): 65513140

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 31, 35, 38, 49, 62, 67, 70, 76, 95, 98, 124, 133, 134, 140, 155, 190, 196, 217, 245, 266, 268, 310, 335, 380, 434, 469, 490, 532, 589, 620, 665, 670, 868, 931, 938, 980, 1085, 1178, 1273, 1330, 1340, 1519, 1862, 1876, 2077, 2170, 2345, 2356, 2546, 2660, 2945, 3038, 3283, 3724, 4123, 4154, 4340, 4655, 4690, 5092, 5890, 6076, 6365, 6566, 7595, 8246, 8308, 8911, 9310, 9380, 10385, 11780, 12730, 13132, 14539, 15190, 16415, 16492, 17822, 18620, 20615, 20770, 25460, 28861, 29078, 30380, 32830, 35644, 39463, 41230, 41540, 44555, 57722, 58156, 62377, 65660, 72695, 78926, 82460, 89110, 101773, 115444, 124754, 144305, 145390, 157852, 178220, 197315, 203546, 249508, 276241, 288610, 290780, 311885, 394630, 407092, 508865, 552482, 577220, 623770, 789260, 1017730, 1104964, 1247540, 1381205, 1933687, 2035460, 2762410, 3867374, 5524820, 7734748, 9668435, 19336870, 38673740]

約数ペア:

[(1, 38673740), (2, 19336870), (4, 9668435), (5, 7734748), (7, 5524820), (10, 3867374), (14, 2762410), (19, 2035460), (20, 1933687), (28, 1381205), (31, 1247540), (35, 1104964), (38, 1017730), (49, 789260), (62, 623770), (67, 577220), (70, 552482), (76, 508865), (95, 407092), (98, 394630), (124, 311885), (133, 290780), (134, 288610), (140, 276241), (155, 249508), (190, 203546), (196, 197315), (217, 178220), (245, 157852), (266, 145390), (268, 144305), (310, 124754), (335, 115444), (380, 101773), (434, 89110), (469, 82460), (490, 78926), (532, 72695), (589, 65660), (620, 62377), (665, 58156), (670, 57722), (868, 44555), (931, 41540), (938, 41230), (980, 39463), (1085, 35644), (1178, 32830), (1273, 30380), (1330, 29078), (1340, 28861), (1519, 25460), (1862, 20770), (1876, 20615), (2077, 18620), (2170, 17822), (2345, 16492), (2356, 16415), (2546, 15190), (2660, 14539), (2945, 13132), (3038, 12730), (3283, 11780), (3724, 10385), (4123, 9380), (4154, 9310), (4340, 8911), (4655, 8308), (4690, 8246), (5092, 7595), (5890, 6566), (6076, 6365)]