389988900

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{601}}^1$

素因数の和:731

約数の個数: 216

約数和(自身を含む): 1412937344

約数和(自身を除く): 1022948444

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 103, 105, 126, 140, 150, 175, 180, 206, 210, 225, 252, 300, 309, 315, 350, 412, 420, 450, 515, 525, 601, 618, 630, 700, 721, 900, 927, 1030, 1050, 1202, 1236, 1260, 1442, 1545, 1575, 1803, 1854, 2060, 2100, 2163, 2404, 2575, 2884, 3005, 3090, 3150, 3605, 3606, 3708, 4207, 4326, 4635, 5150, 5409, 6010, 6180, 6300, 6489, 7210, 7212, 7725, 8414, 8652, 9015, 9270, 10300, 10815, 10818, 12020, 12621, 12978, 14420, 15025, 15450, 16828, 18025, 18030, 18540, 21035, 21630, 21636, 23175, 25242, 25956, 27045, 30050, 30900, 32445, 36050, 36060, 37863, 42070, 43260, 45075, 46350, 50484, 54075, 54090, 60100, 61903, 63105, 64890, 72100, 75726, 84140, 90150, 92700, 105175, 108150, 108180, 123806, 126210, 129780, 135225, 151452, 162225, 180300, 185709, 189315, 210350, 216300, 247612, 252420, 270450, 309515, 315525, 324450, 371418, 378630, 420700, 433321, 540900, 557127, 619030, 631050, 648900, 742836, 757260, 866642, 928545, 946575, 1114254, 1238060, 1262100, 1299963, 1547575, 1733284, 1857090, 1893150, 2166605, 2228508, 2599926, 2785635, 3095150, 3714180, 3786300, 3899889, 4333210, 4642725, 5199852, 5571270, 6190300, 6499815, 7799778, 8666420, 9285450, 10833025, 11142540, 12999630, 13928175, 15599556, 18570900, 19499445, 21666050, 25999260, 27856350, 32499075, 38998890, 43332100, 55712700, 64998150, 77997780, 97497225, 129996300, 194994450, 389988900]

約数ペア:

[(1, 389988900), (2, 194994450), (3, 129996300), (4, 97497225), (5, 77997780), (6, 64998150), (7, 55712700), (9, 43332100), (10, 38998890), (12, 32499075), (14, 27856350), (15, 25999260), (18, 21666050), (20, 19499445), (21, 18570900), (25, 15599556), (28, 13928175), (30, 12999630), (35, 11142540), (36, 10833025), (42, 9285450), (45, 8666420), (50, 7799778), (60, 6499815), (63, 6190300), (70, 5571270), (75, 5199852), (84, 4642725), (90, 4333210), (100, 3899889), (103, 3786300), (105, 3714180), (126, 3095150), (140, 2785635), (150, 2599926), (175, 2228508), (180, 2166605), (206, 1893150), (210, 1857090), (225, 1733284), (252, 1547575), (300, 1299963), (309, 1262100), (315, 1238060), (350, 1114254), (412, 946575), (420, 928545), (450, 866642), (515, 757260), (525, 742836), (601, 648900), (618, 631050), (630, 619030), (700, 557127), (721, 540900), (900, 433321), (927, 420700), (1030, 378630), (1050, 371418), (1202, 324450), (1236, 315525), (1260, 309515), (1442, 270450), (1545, 252420), (1575, 247612), (1803, 216300), (1854, 210350), (2060, 189315), (2100, 185709), (2163, 180300), (2404, 162225), (2575, 151452), (2884, 135225), (3005, 129780), (3090, 126210), (3150, 123806), (3605, 108180), (3606, 108150), (3708, 105175), (4207, 92700), (4326, 90150), (4635, 84140), (5150, 75726), (5409, 72100), (6010, 64890), (6180, 63105), (6300, 61903), (6489, 60100), (7210, 54090), (7212, 54075), (7725, 50484), (8414, 46350), (8652, 45075), (9015, 43260), (9270, 42070), (10300, 37863), (10815, 36060), (10818, 36050), (12020, 32445), (12621, 30900), (12978, 30050), (14420, 27045), (15025, 25956), (15450, 25242), (16828, 23175), (18025, 21636), (18030, 21630), (18540, 21035)]