38708460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1044

約数の個数: 144

約数和(自身を含む): 138657792

約数和(自身を除く): 99949332

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 558, 620, 630, 651, 868, 930, 991, 1085, 1116, 1260, 1302, 1395, 1860, 1953, 1982, 2170, 2604, 2790, 2973, 3255, 3906, 3964, 4340, 4955, 5580, 5946, 6510, 6937, 7812, 8919, 9765, 9910, 11892, 13020, 13874, 14865, 17838, 19530, 19820, 20811, 27748, 29730, 30721, 34685, 35676, 39060, 41622, 44595, 59460, 61442, 62433, 69370, 83244, 89190, 92163, 104055, 122884, 124866, 138740, 153605, 178380, 184326, 208110, 215047, 249732, 276489, 307210, 312165, 368652, 416220, 430094, 460815, 552978, 614420, 624330, 645141, 860188, 921630, 1075235, 1105956, 1248660, 1290282, 1382445, 1843260, 1935423, 2150470, 2580564, 2764890, 3225705, 3870846, 4300940, 5529780, 6451410, 7741692, 9677115, 12902820, 19354230, 38708460]

約数ペア:

[(1, 38708460), (2, 19354230), (3, 12902820), (4, 9677115), (5, 7741692), (6, 6451410), (7, 5529780), (9, 4300940), (10, 3870846), (12, 3225705), (14, 2764890), (15, 2580564), (18, 2150470), (20, 1935423), (21, 1843260), (28, 1382445), (30, 1290282), (31, 1248660), (35, 1105956), (36, 1075235), (42, 921630), (45, 860188), (60, 645141), (62, 624330), (63, 614420), (70, 552978), (84, 460815), (90, 430094), (93, 416220), (105, 368652), (124, 312165), (126, 307210), (140, 276489), (155, 249732), (180, 215047), (186, 208110), (210, 184326), (217, 178380), (252, 153605), (279, 138740), (310, 124866), (315, 122884), (372, 104055), (420, 92163), (434, 89190), (465, 83244), (558, 69370), (620, 62433), (630, 61442), (651, 59460), (868, 44595), (930, 41622), (991, 39060), (1085, 35676), (1116, 34685), (1260, 30721), (1302, 29730), (1395, 27748), (1860, 20811), (1953, 19820), (1982, 19530), (2170, 17838), (2604, 14865), (2790, 13874), (2973, 13020), (3255, 11892), (3906, 9910), (3964, 9765), (4340, 8919), (4955, 7812), (5580, 6937), (5946, 6510)]