395585920

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{353}}^1$

素因数の和:492

約数の個数: 128

約数和(自身を含む): 1013912640

約数和(自身を除く): 618326720

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 103, 128, 136, 160, 170, 206, 272, 320, 340, 353, 412, 515, 544, 640, 680, 706, 824, 1030, 1088, 1360, 1412, 1648, 1751, 1765, 2060, 2176, 2720, 2824, 3296, 3502, 3530, 4120, 5440, 5648, 6001, 6592, 7004, 7060, 8240, 8755, 10880, 11296, 12002, 13184, 14008, 14120, 16480, 17510, 22592, 24004, 28016, 28240, 30005, 32960, 35020, 36359, 45184, 48008, 56032, 56480, 60010, 65920, 70040, 72718, 96016, 112064, 112960, 120020, 140080, 145436, 181795, 192032, 224128, 225920, 240040, 280160, 290872, 363590, 384064, 480080, 560320, 581744, 618103, 727180, 768128, 960160, 1120640, 1163488, 1236206, 1454360, 1920320, 2326976, 2472412, 2908720, 3090515, 3840640, 4653952, 4944824, 5817440, 6181030, 9889648, 11634880, 12362060, 19779296, 23269760, 24724120, 39558592, 49448240, 79117184, 98896480, 197792960, 395585920]

約数ペア:

[(1, 395585920), (2, 197792960), (4, 98896480), (5, 79117184), (8, 49448240), (10, 39558592), (16, 24724120), (17, 23269760), (20, 19779296), (32, 12362060), (34, 11634880), (40, 9889648), (64, 6181030), (68, 5817440), (80, 4944824), (85, 4653952), (103, 3840640), (128, 3090515), (136, 2908720), (160, 2472412), (170, 2326976), (206, 1920320), (272, 1454360), (320, 1236206), (340, 1163488), (353, 1120640), (412, 960160), (515, 768128), (544, 727180), (640, 618103), (680, 581744), (706, 560320), (824, 480080), (1030, 384064), (1088, 363590), (1360, 290872), (1412, 280160), (1648, 240040), (1751, 225920), (1765, 224128), (2060, 192032), (2176, 181795), (2720, 145436), (2824, 140080), (3296, 120020), (3502, 112960), (3530, 112064), (4120, 96016), (5440, 72718), (5648, 70040), (6001, 65920), (6592, 60010), (7004, 56480), (7060, 56032), (8240, 48008), (8755, 45184), (10880, 36359), (11296, 35020), (12002, 32960), (13184, 30005), (14008, 28240), (14120, 28016), (16480, 24004), (17510, 22592)]