367639420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{2909}}^1$

素因数の和:3078

約数の個数: 48

約数和(自身を含む): 791985600

約数和(自身を除く): 424346180

約数列:

[1, 2, 4, 5, 10, 20, 71, 89, 142, 178, 284, 355, 356, 445, 710, 890, 1420, 1780, 2909, 5818, 6319, 11636, 12638, 14545, 25276, 29090, 31595, 58180, 63190, 126380, 206539, 258901, 413078, 517802, 826156, 1032695, 1035604, 1294505, 2065390, 2589010, 4130780, 5178020, 18381971, 36763942, 73527884, 91909855, 183819710, 367639420]

約数ペア:

[(1, 367639420), (2, 183819710), (4, 91909855), (5, 73527884), (10, 36763942), (20, 18381971), (71, 5178020), (89, 4130780), (142, 2589010), (178, 2065390), (284, 1294505), (355, 1035604), (356, 1032695), (445, 826156), (710, 517802), (890, 413078), (1420, 258901), (1780, 206539), (2909, 126380), (5818, 63190), (6319, 58180), (11636, 31595), (12638, 29090), (14545, 25276)]