1899680080

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{367}}^1\times {\mathrm{727}}^1$

素因数の和:1196

約数の個数: 80

約数和(自身を含む): 4484712960

約数和(自身を除く): 2585032880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 367, 445, 712, 727, 734, 890, 1424, 1454, 1468, 1780, 1835, 2908, 2936, 3560, 3635, 3670, 5816, 5872, 7120, 7270, 7340, 11632, 14540, 14680, 29080, 29360, 32663, 58160, 64703, 65326, 129406, 130652, 163315, 258812, 261304, 266809, 323515, 326630, 517624, 522608, 533618, 647030, 653260, 1035248, 1067236, 1294060, 1306520, 1334045, 2134472, 2588120, 2613040, 2668090, 4268944, 5176240, 5336180, 10672360, 21344720, 23746001, 47492002, 94984004, 118730005, 189968008, 237460010, 379936016, 474920020, 949840040, 1899680080]

約数ペア:

[(1, 1899680080), (2, 949840040), (4, 474920020), (5, 379936016), (8, 237460010), (10, 189968008), (16, 118730005), (20, 94984004), (40, 47492002), (80, 23746001), (89, 21344720), (178, 10672360), (356, 5336180), (367, 5176240), (445, 4268944), (712, 2668090), (727, 2613040), (734, 2588120), (890, 2134472), (1424, 1334045), (1454, 1306520), (1468, 1294060), (1780, 1067236), (1835, 1035248), (2908, 653260), (2936, 647030), (3560, 533618), (3635, 522608), (3670, 517624), (5816, 326630), (5872, 323515), (7120, 266809), (7270, 261304), (7340, 258812), (11632, 163315), (14540, 130652), (14680, 129406), (29080, 65326), (29360, 64703), (32663, 58160)]